Home / 118,717.04-163,824.45-65,001.08

Finding the Fourth Proportional to 118,717.04, 163,824.45 and 65,001.08

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Solution

The fourth proportional to 118,717.04, 163,824.45 and 65,001.08 is: 89,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,717.04 : 163,824.45 = 65,001.08 : x
  2. Step 2: Convert to fraction form
    118,717.04/163,824.45 = 65,001.08/x
  3. Step 3: Cross multiply
    118,717.04x = 163,824.45 × 65,001.08
  4. Step 4: Simplify right side
    118,717.04x = 10,648,766,180.41
  5. Step 5: Solve for x
    x = 10,648,766,180.41/118,717.04
  6. Step 6: Final answer
    x = 89,698.72

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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.