Home / 147,980.21-221,972.36-48,140.93

Finding the Fourth Proportional to 147,980.21, 221,972.36 and 48,140.93

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Solution

The fourth proportional to 147,980.21, 221,972.36 and 48,140.93 is: 72,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,980.21 : 221,972.36 = 48,140.93 : x
  2. Step 2: Convert to fraction form
    147,980.21/221,972.36 = 48,140.93/x
  3. Step 3: Cross multiply
    147,980.21x = 221,972.36 × 48,140.93
  4. Step 4: Simplify right side
    147,980.21x = 10,685,955,844.69
  5. Step 5: Solve for x
    x = 10,685,955,844.69/147,980.21
  6. Step 6: Final answer
    x = 72,212.06

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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.