Home / 147,756.56-221,732.08-54,263.12

Finding the Fourth Proportional to 147,756.56, 221,732.08 and 54,263.12

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Solution

The fourth proportional to 147,756.56, 221,732.08 and 54,263.12 is: 81,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,756.56 : 221,732.08 = 54,263.12 : x
  2. Step 2: Convert to fraction form
    147,756.56/221,732.08 = 54,263.12/x
  3. Step 3: Cross multiply
    147,756.56x = 221,732.08 × 54,263.12
  4. Step 4: Simplify right side
    147,756.56x = 12,031,874,464.89
  5. Step 5: Solve for x
    x = 12,031,874,464.89/147,756.56
  6. Step 6: Final answer
    x = 81,430.39

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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.