Home / 147,048.50-220,572.75-36,240.50

Finding the Fourth Proportional to 147,048.50, 220,572.75 and 36,240.50

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Solution

The fourth proportional to 147,048.50, 220,572.75 and 36,240.50 is: 54,360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,048.50 : 220,572.75 = 36,240.50 : x
  2. Step 2: Convert to fraction form
    147,048.50/220,572.75 = 36,240.50/x
  3. Step 3: Cross multiply
    147,048.50x = 220,572.75 × 36,240.50
  4. Step 4: Simplify right side
    147,048.50x = 7,993,666,746.38
  5. Step 5: Solve for x
    x = 7,993,666,746.38/147,048.50
  6. Step 6: Final answer
    x = 54,360.75

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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.