Home / 105,966.32-146,237.02-58,223.12

Finding the Fourth Proportional to 105,966.32, 146,237.02 and 58,223.12

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Solution

The fourth proportional to 105,966.32, 146,237.02 and 58,223.12 is: 80,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,966.32 : 146,237.02 = 58,223.12 : x
  2. Step 2: Convert to fraction form
    105,966.32/146,237.02 = 58,223.12/x
  3. Step 3: Cross multiply
    105,966.32x = 146,237.02 × 58,223.12
  4. Step 4: Simplify right side
    105,966.32x = 8,514,375,563.90
  5. Step 5: Solve for x
    x = 8,514,375,563.90/105,966.32
  6. Step 6: Final answer
    x = 80,349.83

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1.5x scale

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.