Home / 107,916.60-148,586.02-91,752.12

Finding the Fourth Proportional to 107,916.60, 148,586.02 and 91,752.12

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Solution

The fourth proportional to 107,916.60, 148,586.02 and 91,752.12 is: 126,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,916.60 : 148,586.02 = 91,752.12 : x
  2. Step 2: Convert to fraction form
    107,916.60/148,586.02 = 91,752.12/x
  3. Step 3: Cross multiply
    107,916.60x = 148,586.02 × 91,752.12
  4. Step 4: Simplify right side
    107,916.60x = 13,633,082,337.36
  5. Step 5: Solve for x
    x = 13,633,082,337.36/107,916.60
  6. Step 6: Final answer
    x = 126,329.80

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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.