Home / 115,348.01-159,175.80-64,358.10

Finding the Fourth Proportional to 115,348.01, 159,175.80 and 64,358.10

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Solution

The fourth proportional to 115,348.01, 159,175.80 and 64,358.10 is: 88,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348.01 : 159,175.80 = 64,358.10 : x
  2. Step 2: Convert to fraction form
    115,348.01/159,175.80 = 64,358.10/x
  3. Step 3: Cross multiply
    115,348.01x = 159,175.80 × 64,358.10
  4. Step 4: Simplify right side
    115,348.01x = 10,244,252,053.98
  5. Step 5: Solve for x
    x = 10,244,252,053.98/115,348.01
  6. Step 6: Final answer
    x = 88,811.70

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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.