Home / 128,583.70-193,005.15-62,077.30

Finding the Fourth Proportional to 128,583.70, 193,005.15 and 62,077.30

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Solution

The fourth proportional to 128,583.70, 193,005.15 and 62,077.30 is: 93,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,583.70 : 193,005.15 = 62,077.30 : x
  2. Step 2: Convert to fraction form
    128,583.70/193,005.15 = 62,077.30/x
  3. Step 3: Cross multiply
    128,583.70x = 193,005.15 × 62,077.30
  4. Step 4: Simplify right side
    128,583.70x = 11,981,238,598.10
  5. Step 5: Solve for x
    x = 11,981,238,598.10/128,583.70
  6. Step 6: Final answer
    x = 93,178.52

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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.