Home / 147,586.79-221,358.10-40,959.50

Finding the Fourth Proportional to 147,586.79, 221,358.10 and 40,959.50

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Solution

The fourth proportional to 147,586.79, 221,358.10 and 40,959.50 is: 61,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,586.79 : 221,358.10 = 40,959.50 : x
  2. Step 2: Convert to fraction form
    147,586.79/221,358.10 = 40,959.50/x
  3. Step 3: Cross multiply
    147,586.79x = 221,358.10 × 40,959.50
  4. Step 4: Simplify right side
    147,586.79x = 9,066,717,096.95
  5. Step 5: Solve for x
    x = 9,066,717,096.95/147,586.79
  6. Step 6: Final answer
    x = 61,433.12

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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.