Home / 124,218.28-171,424.74-67,630.60

Finding the Fourth Proportional to 124,218.28, 171,424.74 and 67,630.60

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Solution

The fourth proportional to 124,218.28, 171,424.74 and 67,630.60 is: 93,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.28 : 171,424.74 = 67,630.60 : x
  2. Step 2: Convert to fraction form
    124,218.28/171,424.74 = 67,630.60/x
  3. Step 3: Cross multiply
    124,218.28x = 171,424.74 × 67,630.60
  4. Step 4: Simplify right side
    124,218.28x = 11,593,558,021.04
  5. Step 5: Solve for x
    x = 11,593,558,021.04/124,218.28
  6. Step 6: Final answer
    x = 93,332.14

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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.