Home / 112,282.65-168,339.74-67,900.32

Finding the Fourth Proportional to 112,282.65, 168,339.74 and 67,900.32

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Solution

The fourth proportional to 112,282.65, 168,339.74 and 67,900.32 is: 101,799.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.65 : 168,339.74 = 67,900.32 : x
  2. Step 2: Convert to fraction form
    112,282.65/168,339.74 = 67,900.32/x
  3. Step 3: Cross multiply
    112,282.65x = 168,339.74 × 67,900.32
  4. Step 4: Simplify right side
    112,282.65x = 11,430,321,875.22
  5. Step 5: Solve for x
    x = 11,430,321,875.22/112,282.65
  6. Step 6: Final answer
    x = 101,799.54

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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.