Home / 147,566.61-221,392.44-72,709.25

Finding the Fourth Proportional to 147,566.61, 221,392.44 and 72,709.25

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Solution

The fourth proportional to 147,566.61, 221,392.44 and 72,709.25 is: 109,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,566.61 : 221,392.44 = 72,709.25 : x
  2. Step 2: Convert to fraction form
    147,566.61/221,392.44 = 72,709.25/x
  3. Step 3: Cross multiply
    147,566.61x = 221,392.44 × 72,709.25
  4. Step 4: Simplify right side
    147,566.61x = 16,097,277,161.11
  5. Step 5: Solve for x
    x = 16,097,277,161.11/147,566.61
  6. Step 6: Final answer
    x = 109,084.82

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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.