Home / 212,999.76-293,939.66-117,506.46

Finding the Fourth Proportional to 212,999.76, 293,939.66 and 117,506.46

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Solution

The fourth proportional to 212,999.76, 293,939.66 and 117,506.46 is: 162,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,999.76 : 293,939.66 = 117,506.46 : x
  2. Step 2: Convert to fraction form
    212,999.76/293,939.66 = 117,506.46/x
  3. Step 3: Cross multiply
    212,999.76x = 293,939.66 × 117,506.46
  4. Step 4: Simplify right side
    212,999.76x = 34,539,808,900.20
  5. Step 5: Solve for x
    x = 34,539,808,900.20/212,999.76
  6. Step 6: Final answer
    x = 162,158.91

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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.