Home / 156,938.08-216,585.12-88,954.24

Finding the Fourth Proportional to 156,938.08, 216,585.12 and 88,954.24

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Solution

The fourth proportional to 156,938.08, 216,585.12 and 88,954.24 is: 122,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.08 : 216,585.12 = 88,954.24 : x
  2. Step 2: Convert to fraction form
    156,938.08/216,585.12 = 88,954.24/x
  3. Step 3: Cross multiply
    156,938.08x = 216,585.12 × 88,954.24
  4. Step 4: Simplify right side
    156,938.08x = 19,266,164,744.91
  5. Step 5: Solve for x
    x = 19,266,164,744.91/156,938.08
  6. Step 6: Final answer
    x = 122,762.84

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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.