Home / 102,355.80-153,555.30-32,242.20

Finding the Fourth Proportional to 102,355.80, 153,555.30 and 32,242.20

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Solution

The fourth proportional to 102,355.80, 153,555.30 and 32,242.20 is: 48,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355.80 : 153,555.30 = 32,242.20 : x
  2. Step 2: Convert to fraction form
    102,355.80/153,555.30 = 32,242.20/x
  3. Step 3: Cross multiply
    102,355.80x = 153,555.30 × 32,242.20
  4. Step 4: Simplify right side
    102,355.80x = 4,950,960,693.66
  5. Step 5: Solve for x
    x = 4,950,960,693.66/102,355.80
  6. Step 6: Final answer
    x = 48,370.10

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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.