Home / 316,579.26-474,864.93-127,123.50

Finding the Fourth Proportional to 316,579.26, 474,864.93 and 127,123.50

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Solution

The fourth proportional to 316,579.26, 474,864.93 and 127,123.50 is: 190,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,579.26 : 474,864.93 = 127,123.50 : x
  2. Step 2: Convert to fraction form
    316,579.26/474,864.93 = 127,123.50/x
  3. Step 3: Cross multiply
    316,579.26x = 474,864.93 × 127,123.50
  4. Step 4: Simplify right side
    316,579.26x = 60,366,491,928.86
  5. Step 5: Solve for x
    x = 60,366,491,928.86/316,579.26
  6. Step 6: Final answer
    x = 190,683.66

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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.