Home / 131,188.12-196,743.72-60,070.54

Finding the Fourth Proportional to 131,188.12, 196,743.72 and 60,070.54

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Solution

The fourth proportional to 131,188.12, 196,743.72 and 60,070.54 is: 90,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,188.12 : 196,743.72 = 60,070.54 : x
  2. Step 2: Convert to fraction form
    131,188.12/196,743.72 = 60,070.54/x
  3. Step 3: Cross multiply
    131,188.12x = 196,743.72 × 60,070.54
  4. Step 4: Simplify right side
    131,188.12x = 11,818,501,502.01
  5. Step 5: Solve for x
    x = 11,818,501,502.01/131,188.12
  6. Step 6: Final answer
    x = 90,088.20

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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.