Home / 115,759.18-174,506.40-108,043.61

Finding the Fourth Proportional to 115,759.18, 174,506.40 and 108,043.61

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Solution

The fourth proportional to 115,759.18, 174,506.40 and 108,043.61 is: 162,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,759.18 : 174,506.40 = 108,043.61 : x
  2. Step 2: Convert to fraction form
    115,759.18/174,506.40 = 108,043.61/x
  3. Step 3: Cross multiply
    115,759.18x = 174,506.40 × 108,043.61
  4. Step 4: Simplify right side
    115,759.18x = 18,854,301,424.10
  5. Step 5: Solve for x
    x = 18,854,301,424.10/115,759.18
  6. Step 6: Final answer
    x = 162,875.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.