Home / 147,954.06-221,778-72,973.98

Finding the Fourth Proportional to 147,954.06, 221,778 and 72,973.98

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Solution

The fourth proportional to 147,954.06, 221,778 and 72,973.98 is: 109,385.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,954.06 : 221,778 = 72,973.98 : x
  2. Step 2: Convert to fraction form
    147,954.06/221,778 = 72,973.98/x
  3. Step 3: Cross multiply
    147,954.06x = 221,778 × 72,973.98
  4. Step 4: Simplify right side
    147,954.06x = 16,184,023,336.44
  5. Step 5: Solve for x
    x = 16,184,023,336.44/147,954.06
  6. Step 6: Final answer
    x = 109,385.46

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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.