Home / 118,175.13-163,082.18-64,461.30

Finding the Fourth Proportional to 118,175.13, 163,082.18 and 64,461.30

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Solution

The fourth proportional to 118,175.13, 163,082.18 and 64,461.30 is: 88,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,175.13 : 163,082.18 = 64,461.30 : x
  2. Step 2: Convert to fraction form
    118,175.13/163,082.18 = 64,461.30/x
  3. Step 3: Cross multiply
    118,175.13x = 163,082.18 × 64,461.30
  4. Step 4: Simplify right side
    118,175.13x = 10,512,489,329.63
  5. Step 5: Solve for x
    x = 10,512,489,329.63/118,175.13
  6. Step 6: Final answer
    x = 88,956.87

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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.