Home / 116,042.40-160,135.68-67,653.12

Finding the Fourth Proportional to 116,042.40, 160,135.68 and 67,653.12

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Solution

The fourth proportional to 116,042.40, 160,135.68 and 67,653.12 is: 93,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,042.40 : 160,135.68 = 67,653.12 : x
  2. Step 2: Convert to fraction form
    116,042.40/160,135.68 = 67,653.12/x
  3. Step 3: Cross multiply
    116,042.40x = 160,135.68 × 67,653.12
  4. Step 4: Simplify right side
    116,042.40x = 10,833,678,375.32
  5. Step 5: Solve for x
    x = 10,833,678,375.32/116,042.40
  6. Step 6: Final answer
    x = 93,359.65

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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.