Home / 176,179.04-243,127.24-100,729.12

Finding the Fourth Proportional to 176,179.04, 243,127.24 and 100,729.12

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Solution

The fourth proportional to 176,179.04, 243,127.24 and 100,729.12 is: 139,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,179.04 : 243,127.24 = 100,729.12 : x
  2. Step 2: Convert to fraction form
    176,179.04/243,127.24 = 100,729.12/x
  3. Step 3: Cross multiply
    176,179.04x = 243,127.24 × 100,729.12
  4. Step 4: Simplify right side
    176,179.04x = 24,489,992,933.23
  5. Step 5: Solve for x
    x = 24,489,992,933.23/176,179.04
  6. Step 6: Final answer
    x = 139,006.28

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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.