Home / 158,821.49-238,168.65-70,011.88

Finding the Fourth Proportional to 158,821.49, 238,168.65 and 70,011.88

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Solution

The fourth proportional to 158,821.49, 238,168.65 and 70,011.88 is: 104,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,821.49 : 238,168.65 = 70,011.88 : x
  2. Step 2: Convert to fraction form
    158,821.49/238,168.65 = 70,011.88/x
  3. Step 3: Cross multiply
    158,821.49x = 238,168.65 × 70,011.88
  4. Step 4: Simplify right side
    158,821.49x = 16,674,634,943.56
  5. Step 5: Solve for x
    x = 16,674,634,943.56/158,821.49
  6. Step 6: Final answer
    x = 104,989.79

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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.