Home / 112,527.75-155,339.22-76,274.13

Finding the Fourth Proportional to 112,527.75, 155,339.22 and 76,274.13

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Solution

The fourth proportional to 112,527.75, 155,339.22 and 76,274.13 is: 105,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,527.75 : 155,339.22 = 76,274.13 : x
  2. Step 2: Convert to fraction form
    112,527.75/155,339.22 = 76,274.13/x
  3. Step 3: Cross multiply
    112,527.75x = 155,339.22 × 76,274.13
  4. Step 4: Simplify right side
    112,527.75x = 11,848,363,860.38
  5. Step 5: Solve for x
    x = 11,848,363,860.38/112,527.75
  6. Step 6: Final answer
    x = 105,292.82

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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.