Home / 260,437.98-359,431.20-158,470.86

Finding the Fourth Proportional to 260,437.98, 359,431.20 and 158,470.86

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Solution

The fourth proportional to 260,437.98, 359,431.20 and 158,470.86 is: 218,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,437.98 : 359,431.20 = 158,470.86 : x
  2. Step 2: Convert to fraction form
    260,437.98/359,431.20 = 158,470.86/x
  3. Step 3: Cross multiply
    260,437.98x = 359,431.20 × 158,470.86
  4. Step 4: Simplify right side
    260,437.98x = 56,959,371,374.83
  5. Step 5: Solve for x
    x = 56,959,371,374.83/260,437.98
  6. Step 6: Final answer
    x = 218,706.09

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1.5x scale

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.