Home / 135,749.90-203,543.04-60,856.50

Finding the Fourth Proportional to 135,749.90, 203,543.04 and 60,856.50

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Solution

The fourth proportional to 135,749.90, 203,543.04 and 60,856.50 is: 91,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,749.90 : 203,543.04 = 60,856.50 : x
  2. Step 2: Convert to fraction form
    135,749.90/203,543.04 = 60,856.50/x
  3. Step 3: Cross multiply
    135,749.90x = 203,543.04 × 60,856.50
  4. Step 4: Simplify right side
    135,749.90x = 12,386,917,013.76
  5. Step 5: Solve for x
    x = 12,386,917,013.76/135,749.90
  6. Step 6: Final answer
    x = 91,248.07

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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.