Home / 112,315.65-168,389.19-67,933.32

Finding the Fourth Proportional to 112,315.65, 168,389.19 and 67,933.32

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Solution

The fourth proportional to 112,315.65, 168,389.19 and 67,933.32 is: 101,849.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315.65 : 168,389.19 = 67,933.32 : x
  2. Step 2: Convert to fraction form
    112,315.65/168,389.19 = 67,933.32/x
  3. Step 3: Cross multiply
    112,315.65x = 168,389.19 × 67,933.32
  4. Step 4: Simplify right side
    112,315.65x = 11,439,236,728.81
  5. Step 5: Solve for x
    x = 11,439,236,728.81/112,315.65
  6. Step 6: Final answer
    x = 101,849.00

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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.