Home / 155,061.47-232,140.33-115,256.77

Finding the Fourth Proportional to 155,061.47, 232,140.33 and 115,256.77

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Solution

The fourth proportional to 155,061.47, 232,140.33 and 115,256.77 is: 172,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,061.47 : 232,140.33 = 115,256.77 : x
  2. Step 2: Convert to fraction form
    155,061.47/232,140.33 = 115,256.77/x
  3. Step 3: Cross multiply
    155,061.47x = 232,140.33 × 115,256.77
  4. Step 4: Simplify right side
    155,061.47x = 26,755,744,042.18
  5. Step 5: Solve for x
    x = 26,755,744,042.18/155,061.47
  6. Step 6: Final answer
    x = 172,549.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.