Home / 147,651.64-221,209.95-67,756.48

Finding the Fourth Proportional to 147,651.64, 221,209.95 and 67,756.48

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Solution

The fourth proportional to 147,651.64, 221,209.95 and 67,756.48 is: 101,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,651.64 : 221,209.95 = 67,756.48 : x
  2. Step 2: Convert to fraction form
    147,651.64/221,209.95 = 67,756.48/x
  3. Step 3: Cross multiply
    147,651.64x = 221,209.95 × 67,756.48
  4. Step 4: Simplify right side
    147,651.64x = 14,988,407,552.98
  5. Step 5: Solve for x
    x = 14,988,407,552.98/147,651.64
  6. Step 6: Final answer
    x = 101,511.96

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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.