Home / 112,888.16-169,360.44-79,673.06

Finding the Fourth Proportional to 112,888.16, 169,360.44 and 79,673.06

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Solution

The fourth proportional to 112,888.16, 169,360.44 and 79,673.06 is: 119,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,888.16 : 169,360.44 = 79,673.06 : x
  2. Step 2: Convert to fraction form
    112,888.16/169,360.44 = 79,673.06/x
  3. Step 3: Cross multiply
    112,888.16x = 169,360.44 × 79,673.06
  4. Step 4: Simplify right side
    112,888.16x = 13,493,464,497.75
  5. Step 5: Solve for x
    x = 13,493,464,497.75/112,888.16
  6. Step 6: Final answer
    x = 119,529.49

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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.