Home / 151,265.07-208,750.77-83,287.04

Finding the Fourth Proportional to 151,265.07, 208,750.77 and 83,287.04

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Solution

The fourth proportional to 151,265.07, 208,750.77 and 83,287.04 is: 114,938.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,265.07 : 208,750.77 = 83,287.04 : x
  2. Step 2: Convert to fraction form
    151,265.07/208,750.77 = 83,287.04/x
  3. Step 3: Cross multiply
    151,265.07x = 208,750.77 × 83,287.04
  4. Step 4: Simplify right side
    151,265.07x = 17,386,232,687.27
  5. Step 5: Solve for x
    x = 17,386,232,687.27/151,265.07
  6. Step 6: Final answer
    x = 114,938.85

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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.