Home / 108,180.90-162,289.81-48,231.13

Finding the Fourth Proportional to 108,180.90, 162,289.81 and 48,231.13

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Solution

The fourth proportional to 108,180.90, 162,289.81 and 48,231.13 is: 72,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,180.90 : 162,289.81 = 48,231.13 : x
  2. Step 2: Convert to fraction form
    108,180.90/162,289.81 = 48,231.13/x
  3. Step 3: Cross multiply
    108,180.90x = 162,289.81 × 48,231.13
  4. Step 4: Simplify right side
    108,180.90x = 7,827,421,465.57
  5. Step 5: Solve for x
    x = 7,827,421,465.57/108,180.90
  6. Step 6: Final answer
    x = 72,354.93

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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.