Home / 155,110.40-232,706.10-49,931.90

Finding the Fourth Proportional to 155,110.40, 232,706.10 and 49,931.90

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Solution

The fourth proportional to 155,110.40, 232,706.10 and 49,931.90 is: 74,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,110.40 : 232,706.10 = 49,931.90 : x
  2. Step 2: Convert to fraction form
    155,110.40/232,706.10 = 49,931.90/x
  3. Step 3: Cross multiply
    155,110.40x = 232,706.10 × 49,931.90
  4. Step 4: Simplify right side
    155,110.40x = 11,619,457,714.59
  5. Step 5: Solve for x
    x = 11,619,457,714.59/155,110.40
  6. Step 6: Final answer
    x = 74,910.89

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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.