Home / 460,406.16-690,703.20-194,166.18

Finding the Fourth Proportional to 460,406.16, 690,703.20 and 194,166.18

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Solution

The fourth proportional to 460,406.16, 690,703.20 and 194,166.18 is: 291,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,406.16 : 690,703.20 = 194,166.18 : x
  2. Step 2: Convert to fraction form
    460,406.16/690,703.20 = 194,166.18/x
  3. Step 3: Cross multiply
    460,406.16x = 690,703.20 × 194,166.18
  4. Step 4: Simplify right side
    460,406.16x = 134,111,201,857.78
  5. Step 5: Solve for x
    x = 134,111,201,857.78/460,406.16
  6. Step 6: Final answer
    x = 291,288.90

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1.5x scale

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.