Home / 228,030.58-342,119.64-109,686.46

Finding the Fourth Proportional to 228,030.58, 342,119.64 and 109,686.46

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Solution

The fourth proportional to 228,030.58, 342,119.64 and 109,686.46 is: 164,565.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,030.58 : 342,119.64 = 109,686.46 : x
  2. Step 2: Convert to fraction form
    228,030.58/342,119.64 = 109,686.46/x
  3. Step 3: Cross multiply
    228,030.58x = 342,119.64 × 109,686.46
  4. Step 4: Simplify right side
    228,030.58x = 37,525,892,208.07
  5. Step 5: Solve for x
    x = 37,525,892,208.07/228,030.58
  6. Step 6: Final answer
    x = 164,565.17

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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.