Home / 112,008.51-168,012.76-65,228.58

Finding the Fourth Proportional to 112,008.51, 168,012.76 and 65,228.58

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Solution

The fourth proportional to 112,008.51, 168,012.76 and 65,228.58 is: 97,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.51 : 168,012.76 = 65,228.58 : x
  2. Step 2: Convert to fraction form
    112,008.51/168,012.76 = 65,228.58/x
  3. Step 3: Cross multiply
    112,008.51x = 168,012.76 × 65,228.58
  4. Step 4: Simplify right side
    112,008.51x = 10,959,233,645.50
  5. Step 5: Solve for x
    x = 10,959,233,645.50/112,008.51
  6. Step 6: Final answer
    x = 97,842.87

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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.