Home / 112,285.65-168,344.24-67,903.32

Finding the Fourth Proportional to 112,285.65, 168,344.24 and 67,903.32

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Solution

The fourth proportional to 112,285.65, 168,344.24 and 67,903.32 is: 101,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,285.65 : 168,344.24 = 67,903.32 : x
  2. Step 2: Convert to fraction form
    112,285.65/168,344.24 = 67,903.32/x
  3. Step 3: Cross multiply
    112,285.65x = 168,344.24 × 67,903.32
  4. Step 4: Simplify right side
    112,285.65x = 11,431,132,459.36
  5. Step 5: Solve for x
    x = 11,431,132,459.36/112,285.65
  6. Step 6: Final answer
    x = 101,804.04

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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.