Home / 160,243.49-240,135.60-89,975.18

Finding the Fourth Proportional to 160,243.49, 240,135.60 and 89,975.18

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Solution

The fourth proportional to 160,243.49, 240,135.60 and 89,975.18 is: 134,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,243.49 : 240,135.60 = 89,975.18 : x
  2. Step 2: Convert to fraction form
    160,243.49/240,135.60 = 89,975.18/x
  3. Step 3: Cross multiply
    160,243.49x = 240,135.60 × 89,975.18
  4. Step 4: Simplify right side
    160,243.49x = 21,606,243,834.41
  5. Step 5: Solve for x
    x = 21,606,243,834.41/160,243.49
  6. Step 6: Final answer
    x = 134,833.83

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1.5x scale

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.