Home / 260,463.74-390,429.09-176,232.78

Finding the Fourth Proportional to 260,463.74, 390,429.09 and 176,232.78

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Solution

The fourth proportional to 260,463.74, 390,429.09 and 176,232.78 is: 264,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,463.74 : 390,429.09 = 176,232.78 : x
  2. Step 2: Convert to fraction form
    260,463.74/390,429.09 = 176,232.78/x
  3. Step 3: Cross multiply
    260,463.74x = 390,429.09 × 176,232.78
  4. Step 4: Simplify right side
    260,463.74x = 68,806,403,923.57
  5. Step 5: Solve for x
    x = 68,806,403,923.57/260,463.74
  6. Step 6: Final answer
    x = 264,168.84

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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.