Home / 283,795.16-391,639.96-156,475.28

Finding the Fourth Proportional to 283,795.16, 391,639.96 and 156,475.28

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Solution

The fourth proportional to 283,795.16, 391,639.96 and 156,475.28 is: 215,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,795.16 : 391,639.96 = 156,475.28 : x
  2. Step 2: Convert to fraction form
    283,795.16/391,639.96 = 156,475.28/x
  3. Step 3: Cross multiply
    283,795.16x = 391,639.96 × 156,475.28
  4. Step 4: Simplify right side
    283,795.16x = 61,281,970,050.80
  5. Step 5: Solve for x
    x = 61,281,970,050.80/283,795.16
  6. Step 6: Final answer
    x = 215,937.34

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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.