Home / 185,511.59-278,289.56-65,543.70

Finding the Fourth Proportional to 185,511.59, 278,289.56 and 65,543.70

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Solution

The fourth proportional to 185,511.59, 278,289.56 and 65,543.70 is: 98,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,511.59 : 278,289.56 = 65,543.70 : x
  2. Step 2: Convert to fraction form
    185,511.59/278,289.56 = 65,543.70/x
  3. Step 3: Cross multiply
    185,511.59x = 278,289.56 × 65,543.70
  4. Step 4: Simplify right side
    185,511.59x = 18,240,127,433.77
  5. Step 5: Solve for x
    x = 18,240,127,433.77/185,511.59
  6. Step 6: Final answer
    x = 98,323.38

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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.