Home / 108,390.21-162,568.90-29,510.65

Finding the Fourth Proportional to 108,390.21, 162,568.90 and 29,510.65

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Solution

The fourth proportional to 108,390.21, 162,568.90 and 29,510.65 is: 44,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,390.21 : 162,568.90 = 29,510.65 : x
  2. Step 2: Convert to fraction form
    108,390.21/162,568.90 = 29,510.65/x
  3. Step 3: Cross multiply
    108,390.21x = 162,568.90 × 29,510.65
  4. Step 4: Simplify right side
    108,390.21x = 4,797,513,908.79
  5. Step 5: Solve for x
    x = 4,797,513,908.79/108,390.21
  6. Step 6: Final answer
    x = 44,261.51

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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.