Home / 124,492.20-186,446.70-84,834.60

Finding the Fourth Proportional to 124,492.20, 186,446.70 and 84,834.60

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Solution

The fourth proportional to 124,492.20, 186,446.70 and 84,834.60 is: 127,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,492.20 : 186,446.70 = 84,834.60 : x
  2. Step 2: Convert to fraction form
    124,492.20/186,446.70 = 84,834.60/x
  3. Step 3: Cross multiply
    124,492.20x = 186,446.70 × 84,834.60
  4. Step 4: Simplify right side
    124,492.20x = 15,817,131,215.82
  5. Step 5: Solve for x
    x = 15,817,131,215.82/124,492.20
  6. Step 6: Final answer
    x = 127,053.19

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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.