Home / 165,482.12-248,328.07-70,712.96

Finding the Fourth Proportional to 165,482.12, 248,328.07 and 70,712.96

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Solution

The fourth proportional to 165,482.12, 248,328.07 and 70,712.96 is: 106,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,482.12 : 248,328.07 = 70,712.96 : x
  2. Step 2: Convert to fraction form
    165,482.12/248,328.07 = 70,712.96/x
  3. Step 3: Cross multiply
    165,482.12x = 248,328.07 × 70,712.96
  4. Step 4: Simplify right side
    165,482.12x = 17,560,011,462.36
  5. Step 5: Solve for x
    x = 17,560,011,462.36/165,482.12
  6. Step 6: Final answer
    x = 106,114.26

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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.