Home / 134,975.30-186,267.69-74,545.76

Finding the Fourth Proportional to 134,975.30, 186,267.69 and 74,545.76

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Solution

The fourth proportional to 134,975.30, 186,267.69 and 74,545.76 is: 102,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.30 : 186,267.69 = 74,545.76 : x
  2. Step 2: Convert to fraction form
    134,975.30/186,267.69 = 74,545.76/x
  3. Step 3: Cross multiply
    134,975.30x = 186,267.69 × 74,545.76
  4. Step 4: Simplify right side
    134,975.30x = 13,885,466,514.49
  5. Step 5: Solve for x
    x = 13,885,466,514.49/134,975.30
  6. Step 6: Final answer
    x = 102,874.13

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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.