Home / 106,514.15-146,955.20-70,711.07

Finding the Fourth Proportional to 106,514.15, 146,955.20 and 70,711.07

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Solution

The fourth proportional to 106,514.15, 146,955.20 and 70,711.07 is: 97,558.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.15 : 146,955.20 = 70,711.07 : x
  2. Step 2: Convert to fraction form
    106,514.15/146,955.20 = 70,711.07/x
  3. Step 3: Cross multiply
    106,514.15x = 146,955.20 × 70,711.07
  4. Step 4: Simplify right side
    106,514.15x = 10,391,358,345.73
  5. Step 5: Solve for x
    x = 10,391,358,345.73/106,514.15
  6. Step 6: Final answer
    x = 97,558.48

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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.