Home / 108,885.33-163,370.25-42,372.18

Finding the Fourth Proportional to 108,885.33, 163,370.25 and 42,372.18

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Solution

The fourth proportional to 108,885.33, 163,370.25 and 42,372.18 is: 63,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,885.33 : 163,370.25 = 42,372.18 : x
  2. Step 2: Convert to fraction form
    108,885.33/163,370.25 = 42,372.18/x
  3. Step 3: Cross multiply
    108,885.33x = 163,370.25 × 42,372.18
  4. Step 4: Simplify right side
    108,885.33x = 6,922,353,639.65
  5. Step 5: Solve for x
    x = 6,922,353,639.65/108,885.33
  6. Step 6: Final answer
    x = 63,574.71

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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.