Home / 147,777.10-221,337.60-121,533.10

Finding the Fourth Proportional to 147,777.10, 221,337.60 and 121,533.10

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Solution

The fourth proportional to 147,777.10, 221,337.60 and 121,533.10 is: 182,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,777.10 : 221,337.60 = 121,533.10 : x
  2. Step 2: Convert to fraction form
    147,777.10/221,337.60 = 121,533.10/x
  3. Step 3: Cross multiply
    147,777.10x = 221,337.60 × 121,533.10
  4. Step 4: Simplify right side
    147,777.10x = 26,899,844,674.56
  5. Step 5: Solve for x
    x = 26,899,844,674.56/147,777.10
  6. Step 6: Final answer
    x = 182,029.86

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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.