Home / 106,166.45-146,570.13-70,404.74

Finding the Fourth Proportional to 106,166.45, 146,570.13 and 70,404.74

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Solution

The fourth proportional to 106,166.45, 146,570.13 and 70,404.74 is: 97,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,166.45 : 146,570.13 = 70,404.74 : x
  2. Step 2: Convert to fraction form
    106,166.45/146,570.13 = 70,404.74/x
  3. Step 3: Cross multiply
    106,166.45x = 146,570.13 × 70,404.74
  4. Step 4: Simplify right side
    106,166.45x = 10,319,231,894.42
  5. Step 5: Solve for x
    x = 10,319,231,894.42/106,166.45
  6. Step 6: Final answer
    x = 97,198.61

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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.