Home / 98,188.20-135,464.40-62,386.20

Finding the Fourth Proportional to 98,188.20, 135,464.40 and 62,386.20

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Solution

The fourth proportional to 98,188.20, 135,464.40 and 62,386.20 is: 86,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,188.20 : 135,464.40 = 62,386.20 : x
  2. Step 2: Convert to fraction form
    98,188.20/135,464.40 = 62,386.20/x
  3. Step 3: Cross multiply
    98,188.20x = 135,464.40 × 62,386.20
  4. Step 4: Simplify right side
    98,188.20x = 8,451,109,151.28
  5. Step 5: Solve for x
    x = 8,451,109,151.28/98,188.20
  6. Step 6: Final answer
    x = 86,070.52

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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.