Home / 207,926.16-286,937.20-112,432.80

Finding the Fourth Proportional to 207,926.16, 286,937.20 and 112,432.80

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Solution

The fourth proportional to 207,926.16, 286,937.20 and 112,432.80 is: 155,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,926.16 : 286,937.20 = 112,432.80 : x
  2. Step 2: Convert to fraction form
    207,926.16/286,937.20 = 112,432.80/x
  3. Step 3: Cross multiply
    207,926.16x = 286,937.20 × 112,432.80
  4. Step 4: Simplify right side
    207,926.16x = 32,261,152,820.16
  5. Step 5: Solve for x
    x = 32,261,152,820.16/207,926.16
  6. Step 6: Final answer
    x = 155,156.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.