Home / 136,614.17-188,528.76-75,362.70

Finding the Fourth Proportional to 136,614.17, 188,528.76 and 75,362.70

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Solution

The fourth proportional to 136,614.17, 188,528.76 and 75,362.70 is: 104,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,614.17 : 188,528.76 = 75,362.70 : x
  2. Step 2: Convert to fraction form
    136,614.17/188,528.76 = 75,362.70/x
  3. Step 3: Cross multiply
    136,614.17x = 188,528.76 × 75,362.70
  4. Step 4: Simplify right side
    136,614.17x = 14,208,036,381.25
  5. Step 5: Solve for x
    x = 14,208,036,381.25/136,614.17
  6. Step 6: Final answer
    x = 104,001.19

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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.