Home / 212,561.88-293,348.67-117,068.55

Finding the Fourth Proportional to 212,561.88, 293,348.67 and 117,068.55

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Solution

The fourth proportional to 212,561.88, 293,348.67 and 117,068.55 is: 161,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,561.88 : 293,348.67 = 117,068.55 : x
  2. Step 2: Convert to fraction form
    212,561.88/293,348.67 = 117,068.55/x
  3. Step 3: Cross multiply
    212,561.88x = 293,348.67 × 117,068.55
  4. Step 4: Simplify right side
    212,561.88x = 34,341,903,441.33
  5. Step 5: Solve for x
    x = 34,341,903,441.33/212,561.88
  6. Step 6: Final answer
    x = 161,561.91

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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.