Home / 239,040.14-358,476.64-70,515.72

Finding the Fourth Proportional to 239,040.14, 358,476.64 and 70,515.72

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Solution

The fourth proportional to 239,040.14, 358,476.64 and 70,515.72 is: 105,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,040.14 : 358,476.64 = 70,515.72 : x
  2. Step 2: Convert to fraction form
    239,040.14/358,476.64 = 70,515.72/x
  3. Step 3: Cross multiply
    239,040.14x = 358,476.64 × 70,515.72
  4. Step 4: Simplify right side
    239,040.14x = 25,278,238,196.49
  5. Step 5: Solve for x
    x = 25,278,238,196.49/239,040.14
  6. Step 6: Final answer
    x = 105,748.93

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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.