Home / 118,820.67-163,972.50-71,085.24

Finding the Fourth Proportional to 118,820.67, 163,972.50 and 71,085.24

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Solution

The fourth proportional to 118,820.67, 163,972.50 and 71,085.24 is: 98,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,820.67 : 163,972.50 = 71,085.24 : x
  2. Step 2: Convert to fraction form
    118,820.67/163,972.50 = 71,085.24/x
  3. Step 3: Cross multiply
    118,820.67x = 163,972.50 × 71,085.24
  4. Step 4: Simplify right side
    118,820.67x = 11,656,024,515.90
  5. Step 5: Solve for x
    x = 11,656,024,515.90/118,820.67
  6. Step 6: Final answer
    x = 98,097.62

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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.