Home / 103,148.62-154,525.29-69,811.18

Finding the Fourth Proportional to 103,148.62, 154,525.29 and 69,811.18

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Solution

The fourth proportional to 103,148.62, 154,525.29 and 69,811.18 is: 104,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,148.62 : 154,525.29 = 69,811.18 : x
  2. Step 2: Convert to fraction form
    103,148.62/154,525.29 = 69,811.18/x
  3. Step 3: Cross multiply
    103,148.62x = 154,525.29 × 69,811.18
  4. Step 4: Simplify right side
    103,148.62x = 10,787,592,186.64
  5. Step 5: Solve for x
    x = 10,787,592,186.64/103,148.62
  6. Step 6: Final answer
    x = 104,583.00

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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.