Home / 153,520.20-230,312.70-48,349.80

Finding the Fourth Proportional to 153,520.20, 230,312.70 and 48,349.80

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Solution

The fourth proportional to 153,520.20, 230,312.70 and 48,349.80 is: 72,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,520.20 : 230,312.70 = 48,349.80 : x
  2. Step 2: Convert to fraction form
    153,520.20/230,312.70 = 48,349.80/x
  3. Step 3: Cross multiply
    153,520.20x = 230,312.70 × 48,349.80
  4. Step 4: Simplify right side
    153,520.20x = 11,135,572,982.46
  5. Step 5: Solve for x
    x = 11,135,572,982.46/153,520.20
  6. Step 6: Final answer
    x = 72,534.90

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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.