Home / 311,319.40-466,979.10-153,527.35

Finding the Fourth Proportional to 311,319.40, 466,979.10 and 153,527.35

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Solution

The fourth proportional to 311,319.40, 466,979.10 and 153,527.35 is: 230,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,319.40 : 466,979.10 = 153,527.35 : x
  2. Step 2: Convert to fraction form
    311,319.40/466,979.10 = 153,527.35/x
  3. Step 3: Cross multiply
    311,319.40x = 466,979.10 × 153,527.35
  4. Step 4: Simplify right side
    311,319.40x = 71,694,063,728.39
  5. Step 5: Solve for x
    x = 71,694,063,728.39/311,319.40
  6. Step 6: Final answer
    x = 230,291.03

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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.