Home / 176,721.23-265,098.20-71,548.40

Finding the Fourth Proportional to 176,721.23, 265,098.20 and 71,548.40

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Solution

The fourth proportional to 176,721.23, 265,098.20 and 71,548.40 is: 107,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,721.23 : 265,098.20 = 71,548.40 : x
  2. Step 2: Convert to fraction form
    176,721.23/265,098.20 = 71,548.40/x
  3. Step 3: Cross multiply
    176,721.23x = 265,098.20 × 71,548.40
  4. Step 4: Simplify right side
    176,721.23x = 18,967,352,052.88
  5. Step 5: Solve for x
    x = 18,967,352,052.88/176,721.23
  6. Step 6: Final answer
    x = 107,329.22

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1.5x scale

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.