Home / 239,088.44-329,943-143,596.76

Finding the Fourth Proportional to 239,088.44, 329,943 and 143,596.76

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Solution

The fourth proportional to 239,088.44, 329,943 and 143,596.76 is: 198,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,088.44 : 329,943 = 143,596.76 : x
  2. Step 2: Convert to fraction form
    239,088.44/329,943 = 143,596.76/x
  3. Step 3: Cross multiply
    239,088.44x = 329,943 × 143,596.76
  4. Step 4: Simplify right side
    239,088.44x = 47,378,745,784.68
  5. Step 5: Solve for x
    x = 47,378,745,784.68/239,088.44
  6. Step 6: Final answer
    x = 198,164.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.