Home / 124,421.85-186,632.78-41,315.85

Finding the Fourth Proportional to 124,421.85, 186,632.78 and 41,315.85

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Solution

The fourth proportional to 124,421.85, 186,632.78 and 41,315.85 is: 61,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.85 : 186,632.78 = 41,315.85 : x
  2. Step 2: Convert to fraction form
    124,421.85/186,632.78 = 41,315.85/x
  3. Step 3: Cross multiply
    124,421.85x = 186,632.78 × 41,315.85
  4. Step 4: Simplify right side
    124,421.85x = 7,710,891,736.98
  5. Step 5: Solve for x
    x = 7,710,891,736.98/124,421.85
  6. Step 6: Final answer
    x = 61,973.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.