Home / 118,248.18-163,182.78-67,259.76

Finding the Fourth Proportional to 118,248.18, 163,182.78 and 67,259.76

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Solution

The fourth proportional to 118,248.18, 163,182.78 and 67,259.76 is: 92,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,248.18 : 163,182.78 = 67,259.76 : x
  2. Step 2: Convert to fraction form
    118,248.18/163,182.78 = 67,259.76/x
  3. Step 3: Cross multiply
    118,248.18x = 163,182.78 × 67,259.76
  4. Step 4: Simplify right side
    118,248.18x = 10,975,634,618.93
  5. Step 5: Solve for x
    x = 10,975,634,618.93/118,248.18
  6. Step 6: Final answer
    x = 92,818.63

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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.