Home / 177,060.09-265,619.55-70,445.07

Finding the Fourth Proportional to 177,060.09, 265,619.55 and 70,445.07

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Solution

The fourth proportional to 177,060.09, 265,619.55 and 70,445.07 is: 105,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,060.09 : 265,619.55 = 70,445.07 : x
  2. Step 2: Convert to fraction form
    177,060.09/265,619.55 = 70,445.07/x
  3. Step 3: Cross multiply
    177,060.09x = 265,619.55 × 70,445.07
  4. Step 4: Simplify right side
    177,060.09x = 18,711,587,793.12
  5. Step 5: Solve for x
    x = 18,711,587,793.12/177,060.09
  6. Step 6: Final answer
    x = 105,679.31

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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.