Home / 155,622.13-233,248.65-139,752.70

Finding the Fourth Proportional to 155,622.13, 233,248.65 and 139,752.70

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Solution

The fourth proportional to 155,622.13, 233,248.65 and 139,752.70 is: 209,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,622.13 : 233,248.65 = 139,752.70 : x
  2. Step 2: Convert to fraction form
    155,622.13/233,248.65 = 139,752.70/x
  3. Step 3: Cross multiply
    155,622.13x = 233,248.65 × 139,752.70
  4. Step 4: Simplify right side
    155,622.13x = 32,597,128,608.86
  5. Step 5: Solve for x
    x = 32,597,128,608.86/155,622.13
  6. Step 6: Final answer
    x = 209,463.32

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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.