Home / 314,927.54-472,587.24-127,939.04

Finding the Fourth Proportional to 314,927.54, 472,587.24 and 127,939.04

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Solution

The fourth proportional to 314,927.54, 472,587.24 and 127,939.04 is: 191,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,927.54 : 472,587.24 = 127,939.04 : x
  2. Step 2: Convert to fraction form
    314,927.54/472,587.24 = 127,939.04/x
  3. Step 3: Cross multiply
    314,927.54x = 472,587.24 × 127,939.04
  4. Step 4: Simplify right side
    314,927.54x = 60,462,359,269.70
  5. Step 5: Solve for x
    x = 60,462,359,269.70/314,927.54
  6. Step 6: Final answer
    x = 191,988.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.