Home / 112,580.84-154,711.34-107,376.86

Finding the Fourth Proportional to 112,580.84, 154,711.34 and 107,376.86

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Solution

The fourth proportional to 112,580.84, 154,711.34 and 107,376.86 is: 147,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,580.84 : 154,711.34 = 107,376.86 : x
  2. Step 2: Convert to fraction form
    112,580.84/154,711.34 = 107,376.86/x
  3. Step 3: Cross multiply
    112,580.84x = 154,711.34 × 107,376.86
  4. Step 4: Simplify right side
    112,580.84x = 16,612,417,122.04
  5. Step 5: Solve for x
    x = 16,612,417,122.04/112,580.84
  6. Step 6: Final answer
    x = 147,559.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.