Home / 119,226.60-164,548.26-76,908.15

Finding the Fourth Proportional to 119,226.60, 164,548.26 and 76,908.15

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Solution

The fourth proportional to 119,226.60, 164,548.26 and 76,908.15 is: 106,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226.60 : 164,548.26 = 76,908.15 : x
  2. Step 2: Convert to fraction form
    119,226.60/164,548.26 = 76,908.15/x
  3. Step 3: Cross multiply
    119,226.60x = 164,548.26 × 76,908.15
  4. Step 4: Simplify right side
    119,226.60x = 12,655,102,262.32
  5. Step 5: Solve for x
    x = 12,655,102,262.32/119,226.60
  6. Step 6: Final answer
    x = 106,143.28

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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.