Home / 136,047.60-187,737.65-75,616.17

Finding the Fourth Proportional to 136,047.60, 187,737.65 and 75,616.17

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Solution

The fourth proportional to 136,047.60, 187,737.65 and 75,616.17 is: 104,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,047.60 : 187,737.65 = 75,616.17 : x
  2. Step 2: Convert to fraction form
    136,047.60/187,737.65 = 75,616.17/x
  3. Step 3: Cross multiply
    136,047.60x = 187,737.65 × 75,616.17
  4. Step 4: Simplify right side
    136,047.60x = 14,196,001,259.26
  5. Step 5: Solve for x
    x = 14,196,001,259.26/136,047.60
  6. Step 6: Final answer
    x = 104,345.84

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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.