Home / 156,699.40-235,049.10-51,521.80

Finding the Fourth Proportional to 156,699.40, 235,049.10 and 51,521.80

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Solution

The fourth proportional to 156,699.40, 235,049.10 and 51,521.80 is: 77,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,699.40 : 235,049.10 = 51,521.80 : x
  2. Step 2: Convert to fraction form
    156,699.40/235,049.10 = 51,521.80/x
  3. Step 3: Cross multiply
    156,699.40x = 235,049.10 × 51,521.80
  4. Step 4: Simplify right side
    156,699.40x = 12,110,152,720.38
  5. Step 5: Solve for x
    x = 12,110,152,720.38/156,699.40
  6. Step 6: Final answer
    x = 77,282.70

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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.