Home / 124,814.60-186,833.10-89,822.60

Finding the Fourth Proportional to 124,814.60, 186,833.10 and 89,822.60

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Solution

The fourth proportional to 124,814.60, 186,833.10 and 89,822.60 is: 134,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,814.60 : 186,833.10 = 89,822.60 : x
  2. Step 2: Convert to fraction form
    124,814.60/186,833.10 = 89,822.60/x
  3. Step 3: Cross multiply
    124,814.60x = 186,833.10 × 89,822.60
  4. Step 4: Simplify right side
    124,814.60x = 16,781,834,808.06
  5. Step 5: Solve for x
    x = 16,781,834,808.06/124,814.60
  6. Step 6: Final answer
    x = 134,454.10

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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.