Home / 147,632.40-221,405.40-52,851.60

Finding the Fourth Proportional to 147,632.40, 221,405.40 and 52,851.60

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Solution

The fourth proportional to 147,632.40, 221,405.40 and 52,851.60 is: 79,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632.40 : 221,405.40 = 52,851.60 : x
  2. Step 2: Convert to fraction form
    147,632.40/221,405.40 = 52,851.60/x
  3. Step 3: Cross multiply
    147,632.40x = 221,405.40 × 52,851.60
  4. Step 4: Simplify right side
    147,632.40x = 11,701,629,638.64
  5. Step 5: Solve for x
    x = 11,701,629,638.64/147,632.40
  6. Step 6: Final answer
    x = 79,261.93

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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.