Home / 112,008.48-168,012.73-65,228.55

Finding the Fourth Proportional to 112,008.48, 168,012.73 and 65,228.55

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Solution

The fourth proportional to 112,008.48, 168,012.73 and 65,228.55 is: 97,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008.48 : 168,012.73 = 65,228.55 : x
  2. Step 2: Convert to fraction form
    112,008.48/168,012.73 = 65,228.55/x
  3. Step 3: Cross multiply
    112,008.48x = 168,012.73 × 65,228.55
  4. Step 4: Simplify right side
    112,008.48x = 10,959,227,445.08
  5. Step 5: Solve for x
    x = 10,959,227,445.08/112,008.48
  6. Step 6: Final answer
    x = 97,842.83

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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.