Home / 108,214.13-162,349.21-45,013.93

Finding the Fourth Proportional to 108,214.13, 162,349.21 and 45,013.93

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Solution

The fourth proportional to 108,214.13, 162,349.21 and 45,013.93 is: 67,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,214.13 : 162,349.21 = 45,013.93 : x
  2. Step 2: Convert to fraction form
    108,214.13/162,349.21 = 45,013.93/x
  3. Step 3: Cross multiply
    108,214.13x = 162,349.21 × 45,013.93
  4. Step 4: Simplify right side
    108,214.13x = 7,307,975,624.89
  5. Step 5: Solve for x
    x = 7,307,975,624.89/108,214.13
  6. Step 6: Final answer
    x = 67,532.55

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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.