Home / 106,746.08-147,288.66-64,306.94

Finding the Fourth Proportional to 106,746.08, 147,288.66 and 64,306.94

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Solution

The fourth proportional to 106,746.08, 147,288.66 and 64,306.94 is: 88,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,746.08 : 147,288.66 = 64,306.94 : x
  2. Step 2: Convert to fraction form
    106,746.08/147,288.66 = 64,306.94/x
  3. Step 3: Cross multiply
    106,746.08x = 147,288.66 × 64,306.94
  4. Step 4: Simplify right side
    106,746.08x = 9,471,683,021.30
  5. Step 5: Solve for x
    x = 9,471,683,021.30/106,746.08
  6. Step 6: Final answer
    x = 88,730.97

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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.