Home / 136,934.46-205,232.12-77,590.22

Finding the Fourth Proportional to 136,934.46, 205,232.12 and 77,590.22

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Solution

The fourth proportional to 136,934.46, 205,232.12 and 77,590.22 is: 116,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,934.46 : 205,232.12 = 77,590.22 : x
  2. Step 2: Convert to fraction form
    136,934.46/205,232.12 = 77,590.22/x
  3. Step 3: Cross multiply
    136,934.46x = 205,232.12 × 77,590.22
  4. Step 4: Simplify right side
    136,934.46x = 15,924,005,341.87
  5. Step 5: Solve for x
    x = 15,924,005,341.87/136,934.46
  6. Step 6: Final answer
    x = 116,289.25

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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.