Home / 147,840.38-221,680.68-46,619.34

Finding the Fourth Proportional to 147,840.38, 221,680.68 and 46,619.34

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Solution

The fourth proportional to 147,840.38, 221,680.68 and 46,619.34 is: 69,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840.38 : 221,680.68 = 46,619.34 : x
  2. Step 2: Convert to fraction form
    147,840.38/221,680.68 = 46,619.34/x
  3. Step 3: Cross multiply
    147,840.38x = 221,680.68 × 46,619.34
  4. Step 4: Simplify right side
    147,840.38x = 10,334,606,817.53
  5. Step 5: Solve for x
    x = 10,334,606,817.53/147,840.38
  6. Step 6: Final answer
    x = 69,903.82

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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.