Home / 153,575.13-212,017.32-106,084.02

Finding the Fourth Proportional to 153,575.13, 212,017.32 and 106,084.02

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Solution

The fourth proportional to 153,575.13, 212,017.32 and 106,084.02 is: 146,453.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,575.13 : 212,017.32 = 106,084.02 : x
  2. Step 2: Convert to fraction form
    153,575.13/212,017.32 = 106,084.02/x
  3. Step 3: Cross multiply
    153,575.13x = 212,017.32 × 106,084.02
  4. Step 4: Simplify right side
    153,575.13x = 22,491,649,615.23
  5. Step 5: Solve for x
    x = 22,491,649,615.23/153,575.13
  6. Step 6: Final answer
    x = 146,453.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.