Home / 106,117.23-146,438.71-58,370.59

Finding the Fourth Proportional to 106,117.23, 146,438.71 and 58,370.59

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Solution

The fourth proportional to 106,117.23, 146,438.71 and 58,370.59 is: 80,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,117.23 : 146,438.71 = 58,370.59 : x
  2. Step 2: Convert to fraction form
    106,117.23/146,438.71 = 58,370.59/x
  3. Step 3: Cross multiply
    106,117.23x = 146,438.71 × 58,370.59
  4. Step 4: Simplify right side
    106,117.23x = 8,547,713,901.54
  5. Step 5: Solve for x
    x = 8,547,713,901.54/106,117.23
  6. Step 6: Final answer
    x = 80,549.73

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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.