Home / 179,913.12-248,312.15-107,320.51

Finding the Fourth Proportional to 179,913.12, 248,312.15 and 107,320.51

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Solution

The fourth proportional to 179,913.12, 248,312.15 and 107,320.51 is: 148,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,913.12 : 248,312.15 = 107,320.51 : x
  2. Step 2: Convert to fraction form
    179,913.12/248,312.15 = 107,320.51/x
  3. Step 3: Cross multiply
    179,913.12x = 248,312.15 × 107,320.51
  4. Step 4: Simplify right side
    179,913.12x = 26,648,986,577.20
  5. Step 5: Solve for x
    x = 26,648,986,577.20/179,913.12
  6. Step 6: Final answer
    x = 148,121.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.