Home / 154,445.83-213,259.24-124,134.01

Finding the Fourth Proportional to 154,445.83, 213,259.24 and 124,134.01

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Solution

The fourth proportional to 154,445.83, 213,259.24 and 124,134.01 is: 171,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,445.83 : 213,259.24 = 124,134.01 : x
  2. Step 2: Convert to fraction form
    154,445.83/213,259.24 = 124,134.01/x
  3. Step 3: Cross multiply
    154,445.83x = 213,259.24 × 124,134.01
  4. Step 4: Simplify right side
    154,445.83x = 26,472,724,630.75
  5. Step 5: Solve for x
    x = 26,472,724,630.75/154,445.83
  6. Step 6: Final answer
    x = 171,404.59

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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.