Home / 316,407.24-474,647.67-111,178.80

Finding the Fourth Proportional to 316,407.24, 474,647.67 and 111,178.80

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Solution

The fourth proportional to 316,407.24, 474,647.67 and 111,178.80 is: 166,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,407.24 : 474,647.67 = 111,178.80 : x
  2. Step 2: Convert to fraction form
    316,407.24/474,647.67 = 111,178.80/x
  3. Step 3: Cross multiply
    316,407.24x = 474,647.67 × 111,178.80
  4. Step 4: Simplify right side
    316,407.24x = 52,770,758,373.40
  5. Step 5: Solve for x
    x = 52,770,758,373.40/316,407.24
  6. Step 6: Final answer
    x = 166,781.13

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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.