Home / 118,301.47-163,249.89-67,313.17

Finding the Fourth Proportional to 118,301.47, 163,249.89 and 67,313.17

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Solution

The fourth proportional to 118,301.47, 163,249.89 and 67,313.17 is: 92,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,301.47 : 163,249.89 = 67,313.17 : x
  2. Step 2: Convert to fraction form
    118,301.47/163,249.89 = 67,313.17/x
  3. Step 3: Cross multiply
    118,301.47x = 163,249.89 × 67,313.17
  4. Step 4: Simplify right side
    118,301.47x = 10,988,866,445.24
  5. Step 5: Solve for x
    x = 10,988,866,445.24/118,301.47
  6. Step 6: Final answer
    x = 92,888.68

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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.