Home / 127,834.60-191,607.90-61,306.60

Finding the Fourth Proportional to 127,834.60, 191,607.90 and 61,306.60

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Solution

The fourth proportional to 127,834.60, 191,607.90 and 61,306.60 is: 91,890.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.60 : 191,607.90 = 61,306.60 : x
  2. Step 2: Convert to fraction form
    127,834.60/191,607.90 = 61,306.60/x
  3. Step 3: Cross multiply
    127,834.60x = 191,607.90 × 61,306.60
  4. Step 4: Simplify right side
    127,834.60x = 11,746,828,882.14
  5. Step 5: Solve for x
    x = 11,746,828,882.14/127,834.60
  6. Step 6: Final answer
    x = 91,890.84

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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.