Home / 147,925.20-221,887.80-49,429.20

Finding the Fourth Proportional to 147,925.20, 221,887.80 and 49,429.20

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Solution

The fourth proportional to 147,925.20, 221,887.80 and 49,429.20 is: 74,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,925.20 : 221,887.80 = 49,429.20 : x
  2. Step 2: Convert to fraction form
    147,925.20/221,887.80 = 49,429.20/x
  3. Step 3: Cross multiply
    147,925.20x = 221,887.80 × 49,429.20
  4. Step 4: Simplify right side
    147,925.20x = 10,967,736,443.76
  5. Step 5: Solve for x
    x = 10,967,736,443.76/147,925.20
  6. Step 6: Final answer
    x = 74,143.80

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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.