Home / 319,120.56-440,389.44-175,886.10

Finding the Fourth Proportional to 319,120.56, 440,389.44 and 175,886.10

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Solution

The fourth proportional to 319,120.56, 440,389.44 and 175,886.10 is: 242,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,120.56 : 440,389.44 = 175,886.10 : x
  2. Step 2: Convert to fraction form
    319,120.56/440,389.44 = 175,886.10/x
  3. Step 3: Cross multiply
    319,120.56x = 440,389.44 × 175,886.10
  4. Step 4: Simplify right side
    319,120.56x = 77,458,381,082.78
  5. Step 5: Solve for x
    x = 77,458,381,082.78/319,120.56
  6. Step 6: Final answer
    x = 242,724.51

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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.