Home / 170,042.80-255,161.40-64,937.20

Finding the Fourth Proportional to 170,042.80, 255,161.40 and 64,937.20

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Solution

The fourth proportional to 170,042.80, 255,161.40 and 64,937.20 is: 97,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,042.80 : 255,161.40 = 64,937.20 : x
  2. Step 2: Convert to fraction form
    170,042.80/255,161.40 = 64,937.20/x
  3. Step 3: Cross multiply
    170,042.80x = 255,161.40 × 64,937.20
  4. Step 4: Simplify right side
    170,042.80x = 16,569,466,864.08
  5. Step 5: Solve for x
    x = 16,569,466,864.08/170,042.80
  6. Step 6: Final answer
    x = 97,442.92

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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.