Home / 108,160.16-162,281.78-76,169.93

Finding the Fourth Proportional to 108,160.16, 162,281.78 and 76,169.93

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Solution

The fourth proportional to 108,160.16, 162,281.78 and 76,169.93 is: 114,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,160.16 : 162,281.78 = 76,169.93 : x
  2. Step 2: Convert to fraction form
    108,160.16/162,281.78 = 76,169.93/x
  3. Step 3: Cross multiply
    108,160.16x = 162,281.78 × 76,169.93
  4. Step 4: Simplify right side
    108,160.16x = 12,360,991,822.88
  5. Step 5: Solve for x
    x = 12,360,991,822.88/108,160.16
  6. Step 6: Final answer
    x = 114,284.15

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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.