Home / 185,700.60-278,444.08-99,039.56

Finding the Fourth Proportional to 185,700.60, 278,444.08 and 99,039.56

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Solution

The fourth proportional to 185,700.60, 278,444.08 and 99,039.56 is: 148,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,700.60 : 278,444.08 = 99,039.56 : x
  2. Step 2: Convert to fraction form
    185,700.60/278,444.08 = 99,039.56/x
  3. Step 3: Cross multiply
    185,700.60x = 278,444.08 × 99,039.56
  4. Step 4: Simplify right side
    185,700.60x = 27,576,979,167.80
  5. Step 5: Solve for x
    x = 27,576,979,167.80/185,700.60
  6. Step 6: Final answer
    x = 148,502.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.