Home / 119,241.52-164,484.78-74,451.76

Finding the Fourth Proportional to 119,241.52, 164,484.78 and 74,451.76

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Solution

The fourth proportional to 119,241.52, 164,484.78 and 74,451.76 is: 102,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,241.52 : 164,484.78 = 74,451.76 : x
  2. Step 2: Convert to fraction form
    119,241.52/164,484.78 = 74,451.76/x
  3. Step 3: Cross multiply
    119,241.52x = 164,484.78 × 74,451.76
  4. Step 4: Simplify right side
    119,241.52x = 12,246,180,673.81
  5. Step 5: Solve for x
    x = 12,246,180,673.81/119,241.52
  6. Step 6: Final answer
    x = 102,700.64

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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.