Home / 157,230.12-235,648.32-123,818.22

Finding the Fourth Proportional to 157,230.12, 235,648.32 and 123,818.22

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Solution

The fourth proportional to 157,230.12, 235,648.32 and 123,818.22 is: 185,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,230.12 : 235,648.32 = 123,818.22 : x
  2. Step 2: Convert to fraction form
    157,230.12/235,648.32 = 123,818.22/x
  3. Step 3: Cross multiply
    157,230.12x = 235,648.32 × 123,818.22
  4. Step 4: Simplify right side
    157,230.12x = 29,177,555,528.39
  5. Step 5: Solve for x
    x = 29,177,555,528.39/157,230.12
  6. Step 6: Final answer
    x = 185,572.30

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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.