Home / 228,281.31-342,480.38-133,591.23

Finding the Fourth Proportional to 228,281.31, 342,480.38 and 133,591.23

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Solution

The fourth proportional to 228,281.31, 342,480.38 and 133,591.23 is: 200,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,281.31 : 342,480.38 = 133,591.23 : x
  2. Step 2: Convert to fraction form
    228,281.31/342,480.38 = 133,591.23/x
  3. Step 3: Cross multiply
    228,281.31x = 342,480.38 × 133,591.23
  4. Step 4: Simplify right side
    228,281.31x = 45,752,374,547.11
  5. Step 5: Solve for x
    x = 45,752,374,547.11/228,281.31
  6. Step 6: Final answer
    x = 200,421.03

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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.