Home / 117,898.80-162,695.04-64,182.44

Finding the Fourth Proportional to 117,898.80, 162,695.04 and 64,182.44

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Solution

The fourth proportional to 117,898.80, 162,695.04 and 64,182.44 is: 88,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,898.80 : 162,695.04 = 64,182.44 : x
  2. Step 2: Convert to fraction form
    117,898.80/162,695.04 = 64,182.44/x
  3. Step 3: Cross multiply
    117,898.80x = 162,695.04 × 64,182.44
  4. Step 4: Simplify right side
    117,898.80x = 10,442,164,643.10
  5. Step 5: Solve for x
    x = 10,442,164,643.10/117,898.80
  6. Step 6: Final answer
    x = 88,568.88

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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.