Home / 115,271.56-172,908.15-36,392.14

Finding the Fourth Proportional to 115,271.56, 172,908.15 and 36,392.14

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Solution

The fourth proportional to 115,271.56, 172,908.15 and 36,392.14 is: 54,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.56 : 172,908.15 = 36,392.14 : x
  2. Step 2: Convert to fraction form
    115,271.56/172,908.15 = 36,392.14/x
  3. Step 3: Cross multiply
    115,271.56x = 172,908.15 × 36,392.14
  4. Step 4: Simplify right side
    115,271.56x = 6,292,497,601.94
  5. Step 5: Solve for x
    x = 6,292,497,601.94/115,271.56
  6. Step 6: Final answer
    x = 54,588.47

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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.