Home / 185,943.67-278,913.07-45,703.51

Finding the Fourth Proportional to 185,943.67, 278,913.07 and 45,703.51

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Solution

The fourth proportional to 185,943.67, 278,913.07 and 45,703.51 is: 68,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,943.67 : 278,913.07 = 45,703.51 : x
  2. Step 2: Convert to fraction form
    185,943.67/278,913.07 = 45,703.51/x
  3. Step 3: Cross multiply
    185,943.67x = 278,913.07 × 45,703.51
  4. Step 4: Simplify right side
    185,943.67x = 12,747,306,283.88
  5. Step 5: Solve for x
    x = 12,747,306,283.88/185,943.67
  6. Step 6: Final answer
    x = 68,554.67

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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.