Home / 119,208.51-164,500.29-109,686.87

Finding the Fourth Proportional to 119,208.51, 164,500.29 and 109,686.87

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Solution

The fourth proportional to 119,208.51, 164,500.29 and 109,686.87 is: 151,361.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,208.51 : 164,500.29 = 109,686.87 : x
  2. Step 2: Convert to fraction form
    119,208.51/164,500.29 = 109,686.87/x
  3. Step 3: Cross multiply
    119,208.51x = 164,500.29 × 109,686.87
  4. Step 4: Simplify right side
    119,208.51x = 18,043,521,924.19
  5. Step 5: Solve for x
    x = 18,043,521,924.19/119,208.51
  6. Step 6: Final answer
    x = 151,361.02

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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.