Home / 147,890.48-221,835.54-35,570.64

Finding the Fourth Proportional to 147,890.48, 221,835.54 and 35,570.64

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Solution

The fourth proportional to 147,890.48, 221,835.54 and 35,570.64 is: 53,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,890.48 : 221,835.54 = 35,570.64 : x
  2. Step 2: Convert to fraction form
    147,890.48/221,835.54 = 35,570.64/x
  3. Step 3: Cross multiply
    147,890.48x = 221,835.54 × 35,570.64
  4. Step 4: Simplify right side
    147,890.48x = 7,890,832,132.55
  5. Step 5: Solve for x
    x = 7,890,832,132.55/147,890.48
  6. Step 6: Final answer
    x = 53,355.92

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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.