Home / 330,261.09-495,434.70-93,609.93

Finding the Fourth Proportional to 330,261.09, 495,434.70 and 93,609.93

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Solution

The fourth proportional to 330,261.09, 495,434.70 and 93,609.93 is: 140,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,261.09 : 495,434.70 = 93,609.93 : x
  2. Step 2: Convert to fraction form
    330,261.09/495,434.70 = 93,609.93/x
  3. Step 3: Cross multiply
    330,261.09x = 495,434.70 × 93,609.93
  4. Step 4: Simplify right side
    330,261.09x = 46,377,607,586.57
  5. Step 5: Solve for x
    x = 46,377,607,586.57/330,261.09
  6. Step 6: Final answer
    x = 140,427.10

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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.