Home / 147,923.20-221,884.80-49,427.20

Finding the Fourth Proportional to 147,923.20, 221,884.80 and 49,427.20

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Solution

The fourth proportional to 147,923.20, 221,884.80 and 49,427.20 is: 74,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,923.20 : 221,884.80 = 49,427.20 : x
  2. Step 2: Convert to fraction form
    147,923.20/221,884.80 = 49,427.20/x
  3. Step 3: Cross multiply
    147,923.20x = 221,884.80 × 49,427.20
  4. Step 4: Simplify right side
    147,923.20x = 10,967,144,386.56
  5. Step 5: Solve for x
    x = 10,967,144,386.56/147,923.20
  6. Step 6: Final answer
    x = 74,140.80

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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.