Home / 112,264.01-154,924.31-76,516.45

Finding the Fourth Proportional to 112,264.01, 154,924.31 and 76,516.45

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Solution

The fourth proportional to 112,264.01, 154,924.31 and 76,516.45 is: 105,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,264.01 : 154,924.31 = 76,516.45 : x
  2. Step 2: Convert to fraction form
    112,264.01/154,924.31 = 76,516.45/x
  3. Step 3: Cross multiply
    112,264.01x = 154,924.31 × 76,516.45
  4. Step 4: Simplify right side
    112,264.01x = 11,854,258,023.88
  5. Step 5: Solve for x
    x = 11,854,258,023.88/112,264.01
  6. Step 6: Final answer
    x = 105,592.68

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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.