Home / 167,424.57-231,045.73-90,943.72

Finding the Fourth Proportional to 167,424.57, 231,045.73 and 90,943.72

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Solution

The fourth proportional to 167,424.57, 231,045.73 and 90,943.72 is: 125,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,424.57 : 231,045.73 = 90,943.72 : x
  2. Step 2: Convert to fraction form
    167,424.57/231,045.73 = 90,943.72/x
  3. Step 3: Cross multiply
    167,424.57x = 231,045.73 × 90,943.72
  4. Step 4: Simplify right side
    167,424.57x = 21,012,159,315.61
  5. Step 5: Solve for x
    x = 21,012,159,315.61/167,424.57
  6. Step 6: Final answer
    x = 125,502.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.