Home / 117,935.10-176,902.65-78,569.10

Finding the Fourth Proportional to 117,935.10, 176,902.65 and 78,569.10

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Solution

The fourth proportional to 117,935.10, 176,902.65 and 78,569.10 is: 117,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,935.10 : 176,902.65 = 78,569.10 : x
  2. Step 2: Convert to fraction form
    117,935.10/176,902.65 = 78,569.10/x
  3. Step 3: Cross multiply
    117,935.10x = 176,902.65 × 78,569.10
  4. Step 4: Simplify right side
    117,935.10x = 13,899,081,998.12
  5. Step 5: Solve for x
    x = 13,899,081,998.12/117,935.10
  6. Step 6: Final answer
    x = 117,853.65

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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.