Home / 203,023.93-280,108.61-118,124.59

Finding the Fourth Proportional to 203,023.93, 280,108.61 and 118,124.59

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Solution

The fourth proportional to 203,023.93, 280,108.61 and 118,124.59 is: 162,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,023.93 : 280,108.61 = 118,124.59 : x
  2. Step 2: Convert to fraction form
    203,023.93/280,108.61 = 118,124.59/x
  3. Step 3: Cross multiply
    203,023.93x = 280,108.61 × 118,124.59
  4. Step 4: Simplify right side
    203,023.93x = 33,087,714,711.72
  5. Step 5: Solve for x
    x = 33,087,714,711.72/203,023.93
  6. Step 6: Final answer
    x = 162,974.46

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1.5x scale

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.