Home / 104,805.18-157,231.13-38,245.32

Finding the Fourth Proportional to 104,805.18, 157,231.13 and 38,245.32

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Solution

The fourth proportional to 104,805.18, 157,231.13 and 38,245.32 is: 57,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,805.18 : 157,231.13 = 38,245.32 : x
  2. Step 2: Convert to fraction form
    104,805.18/157,231.13 = 38,245.32/x
  3. Step 3: Cross multiply
    104,805.18x = 157,231.13 × 38,245.32
  4. Step 4: Simplify right side
    104,805.18x = 6,013,354,689.59
  5. Step 5: Solve for x
    x = 6,013,354,689.59/104,805.18
  6. Step 6: Final answer
    x = 57,376.50

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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.