Home / 170,854.76-235,890.42-152,918.66

Finding the Fourth Proportional to 170,854.76, 235,890.42 and 152,918.66

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Solution

The fourth proportional to 170,854.76, 235,890.42 and 152,918.66 is: 211,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,854.76 : 235,890.42 = 152,918.66 : x
  2. Step 2: Convert to fraction form
    170,854.76/235,890.42 = 152,918.66/x
  3. Step 3: Cross multiply
    170,854.76x = 235,890.42 × 152,918.66
  4. Step 4: Simplify right side
    170,854.76x = 36,072,046,933.24
  5. Step 5: Solve for x
    x = 36,072,046,933.24/170,854.76
  6. Step 6: Final answer
    x = 211,126.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.