Home / 98,154.02-135,418.04-64,182.39

Finding the Fourth Proportional to 98,154.02, 135,418.04 and 64,182.39

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Solution

The fourth proportional to 98,154.02, 135,418.04 and 64,182.39 is: 88,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,154.02 : 135,418.04 = 64,182.39 : x
  2. Step 2: Convert to fraction form
    98,154.02/135,418.04 = 64,182.39/x
  3. Step 3: Cross multiply
    98,154.02x = 135,418.04 × 64,182.39
  4. Step 4: Simplify right side
    98,154.02x = 8,691,452,779.23
  5. Step 5: Solve for x
    x = 8,691,452,779.23/98,154.02
  6. Step 6: Final answer
    x = 88,549.13

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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.