Home / 112,151.16-154,730.34-63,748.20

Finding the Fourth Proportional to 112,151.16, 154,730.34 and 63,748.20

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Solution

The fourth proportional to 112,151.16, 154,730.34 and 63,748.20 is: 87,950.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,151.16 : 154,730.34 = 63,748.20 : x
  2. Step 2: Convert to fraction form
    112,151.16/154,730.34 = 63,748.20/x
  3. Step 3: Cross multiply
    112,151.16x = 154,730.34 × 63,748.20
  4. Step 4: Simplify right side
    112,151.16x = 9,863,780,660.39
  5. Step 5: Solve for x
    x = 9,863,780,660.39/112,151.16
  6. Step 6: Final answer
    x = 87,950.77

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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.