Home / 151,140.32-208,575.24-83,158.19

Finding the Fourth Proportional to 151,140.32, 208,575.24 and 83,158.19

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Solution

The fourth proportional to 151,140.32, 208,575.24 and 83,158.19 is: 114,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,140.32 : 208,575.24 = 83,158.19 : x
  2. Step 2: Convert to fraction form
    151,140.32/208,575.24 = 83,158.19/x
  3. Step 3: Cross multiply
    151,140.32x = 208,575.24 × 83,158.19
  4. Step 4: Simplify right side
    151,140.32x = 17,344,739,437.22
  5. Step 5: Solve for x
    x = 17,344,739,437.22/151,140.32
  6. Step 6: Final answer
    x = 114,759.18

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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.