Home / 170,945.40-256,421.39-52,616.61

Finding the Fourth Proportional to 170,945.40, 256,421.39 and 52,616.61

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Solution

The fourth proportional to 170,945.40, 256,421.39 and 52,616.61 is: 78,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,945.40 : 256,421.39 = 52,616.61 : x
  2. Step 2: Convert to fraction form
    170,945.40/256,421.39 = 52,616.61/x
  3. Step 3: Cross multiply
    170,945.40x = 256,421.39 × 52,616.61
  4. Step 4: Simplify right side
    170,945.40x = 13,492,024,273.29
  5. Step 5: Solve for x
    x = 13,492,024,273.29/170,945.40
  6. Step 6: Final answer
    x = 78,925.93

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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.