Home / 147,629.40-221,400.90-52,848.60

Finding the Fourth Proportional to 147,629.40, 221,400.90 and 52,848.60

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Solution

The fourth proportional to 147,629.40, 221,400.90 and 52,848.60 is: 79,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,629.40 : 221,400.90 = 52,848.60 : x
  2. Step 2: Convert to fraction form
    147,629.40/221,400.90 = 52,848.60/x
  3. Step 3: Cross multiply
    147,629.40x = 221,400.90 × 52,848.60
  4. Step 4: Simplify right side
    147,629.40x = 11,700,727,603.74
  5. Step 5: Solve for x
    x = 11,700,727,603.74/147,629.40
  6. Step 6: Final answer
    x = 79,257.44

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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.