Home / 228,143.92-314,839.34-127,541.92

Finding the Fourth Proportional to 228,143.92, 314,839.34 and 127,541.92

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Solution

The fourth proportional to 228,143.92, 314,839.34 and 127,541.92 is: 176,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,143.92 : 314,839.34 = 127,541.92 : x
  2. Step 2: Convert to fraction form
    228,143.92/314,839.34 = 127,541.92/x
  3. Step 3: Cross multiply
    228,143.92x = 314,839.34 × 127,541.92
  4. Step 4: Simplify right side
    228,143.92x = 40,155,213,915.13
  5. Step 5: Solve for x
    x = 40,155,213,915.13/228,143.92
  6. Step 6: Final answer
    x = 176,008.26

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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.