Home / 151,001.57-208,382.30-83,019.70

Finding the Fourth Proportional to 151,001.57, 208,382.30 and 83,019.70

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Solution

The fourth proportional to 151,001.57, 208,382.30 and 83,019.70 is: 114,567.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,001.57 : 208,382.30 = 83,019.70 : x
  2. Step 2: Convert to fraction form
    151,001.57/208,382.30 = 83,019.70/x
  3. Step 3: Cross multiply
    151,001.57x = 208,382.30 × 83,019.70
  4. Step 4: Simplify right side
    151,001.57x = 17,299,836,031.31
  5. Step 5: Solve for x
    x = 17,299,836,031.31/151,001.57
  6. Step 6: Final answer
    x = 114,567.26

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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.