Home / 171,032.40-236,108.88-107,405.28

Finding the Fourth Proportional to 171,032.40, 236,108.88 and 107,405.28

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Solution

The fourth proportional to 171,032.40, 236,108.88 and 107,405.28 is: 148,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,032.40 : 236,108.88 = 107,405.28 : x
  2. Step 2: Convert to fraction form
    171,032.40/236,108.88 = 107,405.28/x
  3. Step 3: Cross multiply
    171,032.40x = 236,108.88 × 107,405.28
  4. Step 4: Simplify right side
    171,032.40x = 25,359,340,366.89
  5. Step 5: Solve for x
    x = 25,359,340,366.89/171,032.40
  6. Step 6: Final answer
    x = 148,272.14

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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.