Home / 147,835.10-221,424.60-121,591.10

Finding the Fourth Proportional to 147,835.10, 221,424.60 and 121,591.10

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Solution

The fourth proportional to 147,835.10, 221,424.60 and 121,591.10 is: 182,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.10 : 221,424.60 = 121,591.10 : x
  2. Step 2: Convert to fraction form
    147,835.10/221,424.60 = 121,591.10/x
  3. Step 3: Cross multiply
    147,835.10x = 221,424.60 × 121,591.10
  4. Step 4: Simplify right side
    147,835.10x = 26,923,260,681.06
  5. Step 5: Solve for x
    x = 26,923,260,681.06/147,835.10
  6. Step 6: Final answer
    x = 182,116.84

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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.