Home / 114,162.24-171,130.88-66,717.12

Finding the Fourth Proportional to 114,162.24, 171,130.88 and 66,717.12

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Solution

The fourth proportional to 114,162.24, 171,130.88 and 66,717.12 is: 100,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,162.24 : 171,130.88 = 66,717.12 : x
  2. Step 2: Convert to fraction form
    114,162.24/171,130.88 = 66,717.12/x
  3. Step 3: Cross multiply
    114,162.24x = 171,130.88 × 66,717.12
  4. Step 4: Simplify right side
    114,162.24x = 11,417,359,456.67
  5. Step 5: Solve for x
    x = 11,417,359,456.67/114,162.24
  6. Step 6: Final answer
    x = 100,009.95

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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.