Home / 185,549.03-278,285.27-90,681.83

Finding the Fourth Proportional to 185,549.03, 278,285.27 and 90,681.83

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Solution

The fourth proportional to 185,549.03, 278,285.27 and 90,681.83 is: 136,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.03 : 278,285.27 = 90,681.83 : x
  2. Step 2: Convert to fraction form
    185,549.03/278,285.27 = 90,681.83/x
  3. Step 3: Cross multiply
    185,549.03x = 278,285.27 × 90,681.83
  4. Step 4: Simplify right side
    185,549.03x = 25,235,417,545.64
  5. Step 5: Solve for x
    x = 25,235,417,545.64/185,549.03
  6. Step 6: Final answer
    x = 136,004.04

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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.