Home / 108,922.20-150,312.66-61,174.32

Finding the Fourth Proportional to 108,922.20, 150,312.66 and 61,174.32

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Solution

The fourth proportional to 108,922.20, 150,312.66 and 61,174.32 is: 84,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,922.20 : 150,312.66 = 61,174.32 : x
  2. Step 2: Convert to fraction form
    108,922.20/150,312.66 = 61,174.32/x
  3. Step 3: Cross multiply
    108,922.20x = 150,312.66 × 61,174.32
  4. Step 4: Simplify right side
    108,922.20x = 9,195,274,762.89
  5. Step 5: Solve for x
    x = 9,195,274,762.89/108,922.20
  6. Step 6: Final answer
    x = 84,420.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.