Home / 185,515.47-278,295.38-65,547.59

Finding the Fourth Proportional to 185,515.47, 278,295.38 and 65,547.59

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Solution

The fourth proportional to 185,515.47, 278,295.38 and 65,547.59 is: 98,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,515.47 : 278,295.38 = 65,547.59 : x
  2. Step 2: Convert to fraction form
    185,515.47/278,295.38 = 65,547.59/x
  3. Step 3: Cross multiply
    185,515.47x = 278,295.38 × 65,547.59
  4. Step 4: Simplify right side
    185,515.47x = 18,241,589,747.92
  5. Step 5: Solve for x
    x = 18,241,589,747.92/185,515.47
  6. Step 6: Final answer
    x = 98,329.21

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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.