Home / 111,415.38-167,133.06-31,454.19

Finding the Fourth Proportional to 111,415.38, 167,133.06 and 31,454.19

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Solution

The fourth proportional to 111,415.38, 167,133.06 and 31,454.19 is: 47,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,415.38 : 167,133.06 = 31,454.19 : x
  2. Step 2: Convert to fraction form
    111,415.38/167,133.06 = 31,454.19/x
  3. Step 3: Cross multiply
    111,415.38x = 167,133.06 × 31,454.19
  4. Step 4: Simplify right side
    111,415.38x = 5,257,035,024.52
  5. Step 5: Solve for x
    x = 5,257,035,024.52/111,415.38
  6. Step 6: Final answer
    x = 47,184.11

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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.