Home / 118,251.24-163,186.20-64,536.72

Finding the Fourth Proportional to 118,251.24, 163,186.20 and 64,536.72

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Solution

The fourth proportional to 118,251.24, 163,186.20 and 64,536.72 is: 89,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,251.24 : 163,186.20 = 64,536.72 : x
  2. Step 2: Convert to fraction form
    118,251.24/163,186.20 = 64,536.72/x
  3. Step 3: Cross multiply
    118,251.24x = 163,186.20 × 64,536.72
  4. Step 4: Simplify right side
    118,251.24x = 10,531,502,097.26
  5. Step 5: Solve for x
    x = 10,531,502,097.26/118,251.24
  6. Step 6: Final answer
    x = 89,060.39

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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.