Home / 314,904.90-472,414.95-127,935.30

Finding the Fourth Proportional to 314,904.90, 472,414.95 and 127,935.30

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Solution

The fourth proportional to 314,904.90, 472,414.95 and 127,935.30 is: 191,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,904.90 : 472,414.95 = 127,935.30 : x
  2. Step 2: Convert to fraction form
    314,904.90/472,414.95 = 127,935.30/x
  3. Step 3: Cross multiply
    314,904.90x = 472,414.95 × 127,935.30
  4. Step 4: Simplify right side
    314,904.90x = 60,438,548,352.74
  5. Step 5: Solve for x
    x = 60,438,548,352.74/314,904.90
  6. Step 6: Final answer
    x = 191,926.35

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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.