Home / 156,934.10-216,564.49-88,957.32

Finding the Fourth Proportional to 156,934.10, 216,564.49 and 88,957.32

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Solution

The fourth proportional to 156,934.10, 216,564.49 and 88,957.32 is: 122,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.10 : 216,564.49 = 88,957.32 : x
  2. Step 2: Convert to fraction form
    156,934.10/216,564.49 = 88,957.32/x
  3. Step 3: Cross multiply
    156,934.10x = 216,564.49 × 88,957.32
  4. Step 4: Simplify right side
    156,934.10x = 19,264,996,637.57
  5. Step 5: Solve for x
    x = 19,264,996,637.57/156,934.10
  6. Step 6: Final answer
    x = 122,758.51

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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.