Home / 131,060.88-196,403.40-74,784.24

Finding the Fourth Proportional to 131,060.88, 196,403.40 and 74,784.24

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Solution

The fourth proportional to 131,060.88, 196,403.40 and 74,784.24 is: 112,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060.88 : 196,403.40 = 74,784.24 : x
  2. Step 2: Convert to fraction form
    131,060.88/196,403.40 = 74,784.24/x
  3. Step 3: Cross multiply
    131,060.88x = 196,403.40 × 74,784.24
  4. Step 4: Simplify right side
    131,060.88x = 14,687,879,002.42
  5. Step 5: Solve for x
    x = 14,687,879,002.42/131,060.88
  6. Step 6: Final answer
    x = 112,069.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.