Home / 228,548.25-315,291.93-148,001.72

Finding the Fourth Proportional to 228,548.25, 315,291.93 and 148,001.72

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Solution

The fourth proportional to 228,548.25, 315,291.93 and 148,001.72 is: 204,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,548.25 : 315,291.93 = 148,001.72 : x
  2. Step 2: Convert to fraction form
    228,548.25/315,291.93 = 148,001.72/x
  3. Step 3: Cross multiply
    228,548.25x = 315,291.93 × 148,001.72
  4. Step 4: Simplify right side
    228,548.25x = 46,663,745,810.65
  5. Step 5: Solve for x
    x = 46,663,745,810.65/228,548.25
  6. Step 6: Final answer
    x = 204,174.59

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1.5x scale

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.