Home / 147,568.70-221,328.28-40,963.49

Finding the Fourth Proportional to 147,568.70, 221,328.28 and 40,963.49

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Solution

The fourth proportional to 147,568.70, 221,328.28 and 40,963.49 is: 61,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,568.70 : 221,328.28 = 40,963.49 : x
  2. Step 2: Convert to fraction form
    147,568.70/221,328.28 = 40,963.49/x
  3. Step 3: Cross multiply
    147,568.70x = 221,328.28 × 40,963.49
  4. Step 4: Simplify right side
    147,568.70x = 9,066,378,784.50
  5. Step 5: Solve for x
    x = 9,066,378,784.50/147,568.70
  6. Step 6: Final answer
    x = 61,438.36

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1.5x scale

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.