Home / 156,565.75-234,888.72-51,385.63

Finding the Fourth Proportional to 156,565.75, 234,888.72 and 51,385.63

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Solution

The fourth proportional to 156,565.75, 234,888.72 and 51,385.63 is: 77,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565.75 : 234,888.72 = 51,385.63 : x
  2. Step 2: Convert to fraction form
    156,565.75/234,888.72 = 51,385.63/x
  3. Step 3: Cross multiply
    156,565.75x = 234,888.72 × 51,385.63
  4. Step 4: Simplify right side
    156,565.75x = 12,069,904,857.09
  5. Step 5: Solve for x
    x = 12,069,904,857.09/156,565.75
  6. Step 6: Final answer
    x = 77,091.60

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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.