Home / 147,854.34-221,778.30-41,235.45

Finding the Fourth Proportional to 147,854.34, 221,778.30 and 41,235.45

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Solution

The fourth proportional to 147,854.34, 221,778.30 and 41,235.45 is: 61,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,854.34 : 221,778.30 = 41,235.45 : x
  2. Step 2: Convert to fraction form
    147,854.34/221,778.30 = 41,235.45/x
  3. Step 3: Cross multiply
    147,854.34x = 221,778.30 × 41,235.45
  4. Step 4: Simplify right side
    147,854.34x = 9,145,128,000.74
  5. Step 5: Solve for x
    x = 9,145,128,000.74/147,854.34
  6. Step 6: Final answer
    x = 61,852.28

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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.