Home / 293,545.12-439,947.12-160,147.36

Finding the Fourth Proportional to 293,545.12, 439,947.12 and 160,147.36

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Solution

The fourth proportional to 293,545.12, 439,947.12 and 160,147.36 is: 240,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,545.12 : 439,947.12 = 160,147.36 : x
  2. Step 2: Convert to fraction form
    293,545.12/439,947.12 = 160,147.36/x
  3. Step 3: Cross multiply
    293,545.12x = 439,947.12 × 160,147.36
  4. Step 4: Simplify right side
    293,545.12x = 70,456,369,807.60
  5. Step 5: Solve for x
    x = 70,456,369,807.60/293,545.12
  6. Step 6: Final answer
    x = 240,018.88

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1.5x scale

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.