Home / 118,001.61-162,841.32-64,286.46

Finding the Fourth Proportional to 118,001.61, 162,841.32 and 64,286.46

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Solution

The fourth proportional to 118,001.61, 162,841.32 and 64,286.46 is: 88,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,001.61 : 162,841.32 = 64,286.46 : x
  2. Step 2: Convert to fraction form
    118,001.61/162,841.32 = 64,286.46/x
  3. Step 3: Cross multiply
    118,001.61x = 162,841.32 × 64,286.46
  4. Step 4: Simplify right side
    118,001.61x = 10,468,492,004.53
  5. Step 5: Solve for x
    x = 10,468,492,004.53/118,001.61
  6. Step 6: Final answer
    x = 88,714.82

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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.