Home / 108,113.04-149,185.12-74,150.52

Finding the Fourth Proportional to 108,113.04, 149,185.12 and 74,150.52

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Solution

The fourth proportional to 108,113.04, 149,185.12 and 74,150.52 is: 102,320.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,113.04 : 149,185.12 = 74,150.52 : x
  2. Step 2: Convert to fraction form
    108,113.04/149,185.12 = 74,150.52/x
  3. Step 3: Cross multiply
    108,113.04x = 149,185.12 × 74,150.52
  4. Step 4: Simplify right side
    108,113.04x = 11,062,154,224.26
  5. Step 5: Solve for x
    x = 11,062,154,224.26/108,113.04
  6. Step 6: Final answer
    x = 102,320.26

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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.