Home / 151,348.16-208,858.56-83,363.78

Finding the Fourth Proportional to 151,348.16, 208,858.56 and 83,363.78

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Solution

The fourth proportional to 151,348.16, 208,858.56 and 83,363.78 is: 115,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,348.16 : 208,858.56 = 83,363.78 : x
  2. Step 2: Convert to fraction form
    151,348.16/208,858.56 = 83,363.78/x
  3. Step 3: Cross multiply
    151,348.16x = 208,858.56 × 83,363.78
  4. Step 4: Simplify right side
    151,348.16x = 17,411,239,046.96
  5. Step 5: Solve for x
    x = 17,411,239,046.96/151,348.16
  6. Step 6: Final answer
    x = 115,040.97

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1.5x scale

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.