Home / 147,913.40-221,826.90-53,132.60

Finding the Fourth Proportional to 147,913.40, 221,826.90 and 53,132.60

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Solution

The fourth proportional to 147,913.40, 221,826.90 and 53,132.60 is: 79,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.40 : 221,826.90 = 53,132.60 : x
  2. Step 2: Convert to fraction form
    147,913.40/221,826.90 = 53,132.60/x
  3. Step 3: Cross multiply
    147,913.40x = 221,826.90 × 53,132.60
  4. Step 4: Simplify right side
    147,913.40x = 11,786,239,946.94
  5. Step 5: Solve for x
    x = 11,786,239,946.94/147,913.40
  6. Step 6: Final answer
    x = 79,683.38

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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.