Home / 228,622.11-343,145.93-116,386.35

Finding the Fourth Proportional to 228,622.11, 343,145.93 and 116,386.35

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Solution

The fourth proportional to 228,622.11, 343,145.93 and 116,386.35 is: 174,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,622.11 : 343,145.93 = 116,386.35 : x
  2. Step 2: Convert to fraction form
    228,622.11/343,145.93 = 116,386.35/x
  3. Step 3: Cross multiply
    228,622.11x = 343,145.93 × 116,386.35
  4. Step 4: Simplify right side
    228,622.11x = 39,937,502,310.06
  5. Step 5: Solve for x
    x = 39,937,502,310.06/228,622.11
  6. Step 6: Final answer
    x = 174,687.84

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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.