Home / 157,949.59-236,778.58-78,995.11

Finding the Fourth Proportional to 157,949.59, 236,778.58 and 78,995.11

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Solution

The fourth proportional to 157,949.59, 236,778.58 and 78,995.11 is: 118,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,949.59 : 236,778.58 = 78,995.11 : x
  2. Step 2: Convert to fraction form
    157,949.59/236,778.58 = 78,995.11/x
  3. Step 3: Cross multiply
    157,949.59x = 236,778.58 × 78,995.11
  4. Step 4: Simplify right side
    157,949.59x = 18,704,349,972.74
  5. Step 5: Solve for x
    x = 18,704,349,972.74/157,949.59
  6. Step 6: Final answer
    x = 118,419.74

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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.