Home / 119,740.76-165,253.34-68,760.17

Finding the Fourth Proportional to 119,740.76, 165,253.34 and 68,760.17

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Solution

The fourth proportional to 119,740.76, 165,253.34 and 68,760.17 is: 94,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740.76 : 165,253.34 = 68,760.17 : x
  2. Step 2: Convert to fraction form
    119,740.76/165,253.34 = 68,760.17/x
  3. Step 3: Cross multiply
    119,740.76x = 165,253.34 × 68,760.17
  4. Step 4: Simplify right side
    119,740.76x = 11,362,847,751.47
  5. Step 5: Solve for x
    x = 11,362,847,751.47/119,740.76
  6. Step 6: Final answer
    x = 94,895.40

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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.