Home / 124,558.68-186,911.80-116,677.72

Finding the Fourth Proportional to 124,558.68, 186,911.80 and 116,677.72

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Solution

The fourth proportional to 124,558.68, 186,911.80 and 116,677.72 is: 175,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.68 : 186,911.80 = 116,677.72 : x
  2. Step 2: Convert to fraction form
    124,558.68/186,911.80 = 116,677.72/x
  3. Step 3: Cross multiply
    124,558.68x = 186,911.80 × 116,677.72
  4. Step 4: Simplify right side
    124,558.68x = 21,808,442,665.10
  5. Step 5: Solve for x
    x = 21,808,442,665.10/124,558.68
  6. Step 6: Final answer
    x = 175,085.69

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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.