Home / 151,037.19-208,473.35-86,542.56

Finding the Fourth Proportional to 151,037.19, 208,473.35 and 86,542.56

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Solution

The fourth proportional to 151,037.19, 208,473.35 and 86,542.56 is: 119,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,037.19 : 208,473.35 = 86,542.56 : x
  2. Step 2: Convert to fraction form
    151,037.19/208,473.35 = 86,542.56/x
  3. Step 3: Cross multiply
    151,037.19x = 208,473.35 × 86,542.56
  4. Step 4: Simplify right side
    151,037.19x = 18,041,816,968.06
  5. Step 5: Solve for x
    x = 18,041,816,968.06/151,037.19
  6. Step 6: Final answer
    x = 119,452.81

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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.