Home / 131,928.88-182,070.66-74,548.24

Finding the Fourth Proportional to 131,928.88, 182,070.66 and 74,548.24

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Solution

The fourth proportional to 131,928.88, 182,070.66 and 74,548.24 is: 102,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,928.88 : 182,070.66 = 74,548.24 : x
  2. Step 2: Convert to fraction form
    131,928.88/182,070.66 = 74,548.24/x
  3. Step 3: Cross multiply
    131,928.88x = 182,070.66 × 74,548.24
  4. Step 4: Simplify right side
    131,928.88x = 13,573,047,258.64
  5. Step 5: Solve for x
    x = 13,573,047,258.64/131,928.88
  6. Step 6: Final answer
    x = 102,881.55

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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.