Home / 105,888.71-146,126.58-58,145.11

Finding the Fourth Proportional to 105,888.71, 146,126.58 and 58,145.11

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Solution

The fourth proportional to 105,888.71, 146,126.58 and 58,145.11 is: 80,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,888.71 : 146,126.58 = 58,145.11 : x
  2. Step 2: Convert to fraction form
    105,888.71/146,126.58 = 58,145.11/x
  3. Step 3: Cross multiply
    105,888.71x = 146,126.58 × 58,145.11
  4. Step 4: Simplify right side
    105,888.71x = 8,496,545,337.39
  5. Step 5: Solve for x
    x = 8,496,545,337.39/105,888.71
  6. Step 6: Final answer
    x = 80,240.33

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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.