Home / 238,623.78-357,935.67-98,378.76

Finding the Fourth Proportional to 238,623.78, 357,935.67 and 98,378.76

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Solution

The fourth proportional to 238,623.78, 357,935.67 and 98,378.76 is: 147,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,623.78 : 357,935.67 = 98,378.76 : x
  2. Step 2: Convert to fraction form
    238,623.78/357,935.67 = 98,378.76/x
  3. Step 3: Cross multiply
    238,623.78x = 357,935.67 × 98,378.76
  4. Step 4: Simplify right side
    238,623.78x = 35,213,267,374.37
  5. Step 5: Solve for x
    x = 35,213,267,374.37/238,623.78
  6. Step 6: Final answer
    x = 147,568.14

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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.