Home / 147,419.10-221,128.65-36,611.10

Finding the Fourth Proportional to 147,419.10, 221,128.65 and 36,611.10

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Solution

The fourth proportional to 147,419.10, 221,128.65 and 36,611.10 is: 54,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,419.10 : 221,128.65 = 36,611.10 : x
  2. Step 2: Convert to fraction form
    147,419.10/221,128.65 = 36,611.10/x
  3. Step 3: Cross multiply
    147,419.10x = 221,128.65 × 36,611.10
  4. Step 4: Simplify right side
    147,419.10x = 8,095,763,118.02
  5. Step 5: Solve for x
    x = 8,095,763,118.02/147,419.10
  6. Step 6: Final answer
    x = 54,916.65

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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.