Home / 147,675.24-221,516-52,911.60

Finding the Fourth Proportional to 147,675.24, 221,516 and 52,911.60

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Solution

The fourth proportional to 147,675.24, 221,516 and 52,911.60 is: 79,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,675.24 : 221,516 = 52,911.60 : x
  2. Step 2: Convert to fraction form
    147,675.24/221,516 = 52,911.60/x
  3. Step 3: Cross multiply
    147,675.24x = 221,516 × 52,911.60
  4. Step 4: Simplify right side
    147,675.24x = 11,720,765,985.60
  5. Step 5: Solve for x
    x = 11,720,765,985.60/147,675.24
  6. Step 6: Final answer
    x = 79,368.53

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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.