Home / 116,650.45-160,935.52-76,387.17

Finding the Fourth Proportional to 116,650.45, 160,935.52 and 76,387.17

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Solution

The fourth proportional to 116,650.45, 160,935.52 and 76,387.17 is: 105,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,650.45 : 160,935.52 = 76,387.17 : x
  2. Step 2: Convert to fraction form
    116,650.45/160,935.52 = 76,387.17/x
  3. Step 3: Cross multiply
    116,650.45x = 160,935.52 × 76,387.17
  4. Step 4: Simplify right side
    116,650.45x = 12,293,408,925.28
  5. Step 5: Solve for x
    x = 12,293,408,925.28/116,650.45
  6. Step 6: Final answer
    x = 105,386.73

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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.