Home / 212,543.68-293,312.22-117,050.76

Finding the Fourth Proportional to 212,543.68, 293,312.22 and 117,050.76

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Solution

The fourth proportional to 212,543.68, 293,312.22 and 117,050.76 is: 161,531.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,543.68 : 293,312.22 = 117,050.76 : x
  2. Step 2: Convert to fraction form
    212,543.68/293,312.22 = 117,050.76/x
  3. Step 3: Cross multiply
    212,543.68x = 293,312.22 × 117,050.76
  4. Step 4: Simplify right side
    212,543.68x = 34,332,418,268.29
  5. Step 5: Solve for x
    x = 34,332,418,268.29/212,543.68
  6. Step 6: Final answer
    x = 161,531.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.