Home / 421,575.27-632,357.06-101,724.47

Finding the Fourth Proportional to 421,575.27, 632,357.06 and 101,724.47

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Solution

The fourth proportional to 421,575.27, 632,357.06 and 101,724.47 is: 152,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,575.27 : 632,357.06 = 101,724.47 : x
  2. Step 2: Convert to fraction form
    421,575.27/632,357.06 = 101,724.47/x
  3. Step 3: Cross multiply
    421,575.27x = 632,357.06 × 101,724.47
  4. Step 4: Simplify right side
    421,575.27x = 64,326,186,270.64
  5. Step 5: Solve for x
    x = 64,326,186,270.64/421,575.27
  6. Step 6: Final answer
    x = 152,585.29

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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.