Home / 119,342.88-164,705.76-68,359.68

Finding the Fourth Proportional to 119,342.88, 164,705.76 and 68,359.68

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Solution

The fourth proportional to 119,342.88, 164,705.76 and 68,359.68 is: 94,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,342.88 : 164,705.76 = 68,359.68 : x
  2. Step 2: Convert to fraction form
    119,342.88/164,705.76 = 68,359.68/x
  3. Step 3: Cross multiply
    119,342.88x = 164,705.76 × 68,359.68
  4. Step 4: Simplify right side
    119,342.88x = 11,259,233,047.76
  5. Step 5: Solve for x
    x = 11,259,233,047.76/119,342.88
  6. Step 6: Final answer
    x = 94,343.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.