Home / 136,961.07-205,434.45-48,215.18

Finding the Fourth Proportional to 136,961.07, 205,434.45 and 48,215.18

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Solution

The fourth proportional to 136,961.07, 205,434.45 and 48,215.18 is: 72,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,961.07 : 205,434.45 = 48,215.18 : x
  2. Step 2: Convert to fraction form
    136,961.07/205,434.45 = 48,215.18/x
  3. Step 3: Cross multiply
    136,961.07x = 205,434.45 × 48,215.18
  4. Step 4: Simplify right side
    136,961.07x = 9,905,057,957.78
  5. Step 5: Solve for x
    x = 9,905,057,957.78/136,961.07
  6. Step 6: Final answer
    x = 72,320.24

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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.