Home / 121,448.57-182,194.72-58,215.11

Finding the Fourth Proportional to 121,448.57, 182,194.72 and 58,215.11

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Solution

The fourth proportional to 121,448.57, 182,194.72 and 58,215.11 is: 87,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,448.57 : 182,194.72 = 58,215.11 : x
  2. Step 2: Convert to fraction form
    121,448.57/182,194.72 = 58,215.11/x
  3. Step 3: Cross multiply
    121,448.57x = 182,194.72 × 58,215.11
  4. Step 4: Simplify right side
    121,448.57x = 10,606,484,609.71
  5. Step 5: Solve for x
    x = 10,606,484,609.71/121,448.57
  6. Step 6: Final answer
    x = 87,333.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.