Home / 112,319.65-168,395.23-67,937.32

Finding the Fourth Proportional to 112,319.65, 168,395.23 and 67,937.32

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Solution

The fourth proportional to 112,319.65, 168,395.23 and 67,937.32 is: 101,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,319.65 : 168,395.23 = 67,937.32 : x
  2. Step 2: Convert to fraction form
    112,319.65/168,395.23 = 67,937.32/x
  3. Step 3: Cross multiply
    112,319.65x = 168,395.23 × 67,937.32
  4. Step 4: Simplify right side
    112,319.65x = 11,440,320,626.98
  5. Step 5: Solve for x
    x = 11,440,320,626.98/112,319.65
  6. Step 6: Final answer
    x = 101,855.02

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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.