Home / 112,820.04-169,228.75-27,431.39

Finding the Fourth Proportional to 112,820.04, 169,228.75 and 27,431.39

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Solution

The fourth proportional to 112,820.04, 169,228.75 and 27,431.39 is: 41,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,820.04 : 169,228.75 = 27,431.39 : x
  2. Step 2: Convert to fraction form
    112,820.04/169,228.75 = 27,431.39/x
  3. Step 3: Cross multiply
    112,820.04x = 169,228.75 × 27,431.39
  4. Step 4: Simplify right side
    112,820.04x = 4,642,179,840.46
  5. Step 5: Solve for x
    x = 4,642,179,840.46/112,820.04
  6. Step 6: Final answer
    x = 41,146.77

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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.