Home / 170,047.20-255,060.96-64,876.80

Finding the Fourth Proportional to 170,047.20, 255,060.96 and 64,876.80

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Solution

The fourth proportional to 170,047.20, 255,060.96 and 64,876.80 is: 97,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,047.20 : 255,060.96 = 64,876.80 : x
  2. Step 2: Convert to fraction form
    170,047.20/255,060.96 = 64,876.80/x
  3. Step 3: Cross multiply
    170,047.20x = 255,060.96 × 64,876.80
  4. Step 4: Simplify right side
    170,047.20x = 16,547,538,889.73
  5. Step 5: Solve for x
    x = 16,547,538,889.73/170,047.20
  6. Step 6: Final answer
    x = 97,311.45

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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.