Home / 148,256.81-204,594.76-80,274.59

Finding the Fourth Proportional to 148,256.81, 204,594.76 and 80,274.59

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Solution

The fourth proportional to 148,256.81, 204,594.76 and 80,274.59 is: 110,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,256.81 : 204,594.76 = 80,274.59 : x
  2. Step 2: Convert to fraction form
    148,256.81/204,594.76 = 80,274.59/x
  3. Step 3: Cross multiply
    148,256.81x = 204,594.76 × 80,274.59
  4. Step 4: Simplify right side
    148,256.81x = 16,423,761,470.59
  5. Step 5: Solve for x
    x = 16,423,761,470.59/148,256.81
  6. Step 6: Final answer
    x = 110,779.14

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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.