Home / 179,031.72-268,547.60-85,253.16

Finding the Fourth Proportional to 179,031.72, 268,547.60 and 85,253.16

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Solution

The fourth proportional to 179,031.72, 268,547.60 and 85,253.16 is: 127,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,031.72 : 268,547.60 = 85,253.16 : x
  2. Step 2: Convert to fraction form
    179,031.72/268,547.60 = 85,253.16/x
  3. Step 3: Cross multiply
    179,031.72x = 268,547.60 × 85,253.16
  4. Step 4: Simplify right side
    179,031.72x = 22,894,531,510.42
  5. Step 5: Solve for x
    x = 22,894,531,510.42/179,031.72
  6. Step 6: Final answer
    x = 127,879.75

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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.