Home / 112,886.16-169,357.44-79,671.06

Finding the Fourth Proportional to 112,886.16, 169,357.44 and 79,671.06

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Solution

The fourth proportional to 112,886.16, 169,357.44 and 79,671.06 is: 119,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,886.16 : 169,357.44 = 79,671.06 : x
  2. Step 2: Convert to fraction form
    112,886.16/169,357.44 = 79,671.06/x
  3. Step 3: Cross multiply
    112,886.16x = 169,357.44 × 79,671.06
  4. Step 4: Simplify right side
    112,886.16x = 13,492,886,763.69
  5. Step 5: Solve for x
    x = 13,492,886,763.69/112,886.16
  6. Step 6: Final answer
    x = 119,526.49

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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.