Home / 460,433.16-690,743.70-194,193.18

Finding the Fourth Proportional to 460,433.16, 690,743.70 and 194,193.18

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Solution

The fourth proportional to 460,433.16, 690,743.70 and 194,193.18 is: 291,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,433.16 : 690,743.70 = 194,193.18 : x
  2. Step 2: Convert to fraction form
    460,433.16/690,743.70 = 194,193.18/x
  3. Step 3: Cross multiply
    460,433.16x = 690,743.70 × 194,193.18
  4. Step 4: Simplify right side
    460,433.16x = 134,137,715,667.97
  5. Step 5: Solve for x
    x = 134,137,715,667.97/460,433.16
  6. Step 6: Final answer
    x = 291,329.40

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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.