Home / 127,611.40-191,276.07-52,690.24

Finding the Fourth Proportional to 127,611.40, 191,276.07 and 52,690.24

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Solution

The fourth proportional to 127,611.40, 191,276.07 and 52,690.24 is: 78,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.40 : 191,276.07 = 52,690.24 : x
  2. Step 2: Convert to fraction form
    127,611.40/191,276.07 = 52,690.24/x
  3. Step 3: Cross multiply
    127,611.40x = 191,276.07 × 52,690.24
  4. Step 4: Simplify right side
    127,611.40x = 10,078,382,034.56
  5. Step 5: Solve for x
    x = 10,078,382,034.56/127,611.40
  6. Step 6: Final answer
    x = 78,977.13

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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.