Home / 113,658.08-156,817.38-64,599.02

Finding the Fourth Proportional to 113,658.08, 156,817.38 and 64,599.02

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Solution

The fourth proportional to 113,658.08, 156,817.38 and 64,599.02 is: 89,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,658.08 : 156,817.38 = 64,599.02 : x
  2. Step 2: Convert to fraction form
    113,658.08/156,817.38 = 64,599.02/x
  3. Step 3: Cross multiply
    113,658.08x = 156,817.38 × 64,599.02
  4. Step 4: Simplify right side
    113,658.08x = 10,130,249,066.97
  5. Step 5: Solve for x
    x = 10,130,249,066.97/113,658.08
  6. Step 6: Final answer
    x = 89,129.16

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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.