Home / 238,733.87-358,041.26-70,220.66

Finding the Fourth Proportional to 238,733.87, 358,041.26 and 70,220.66

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Solution

The fourth proportional to 238,733.87, 358,041.26 and 70,220.66 is: 105,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,733.87 : 358,041.26 = 70,220.66 : x
  2. Step 2: Convert to fraction form
    238,733.87/358,041.26 = 70,220.66/x
  3. Step 3: Cross multiply
    238,733.87x = 358,041.26 × 70,220.66
  4. Step 4: Simplify right side
    238,733.87x = 25,141,891,969.78
  5. Step 5: Solve for x
    x = 25,141,891,969.78/238,733.87
  6. Step 6: Final answer
    x = 105,313.47

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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.