Home / 272,389.36-375,587.40-191,791.12

Finding the Fourth Proportional to 272,389.36, 375,587.40 and 191,791.12

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Solution

The fourth proportional to 272,389.36, 375,587.40 and 191,791.12 is: 264,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,389.36 : 375,587.40 = 191,791.12 : x
  2. Step 2: Convert to fraction form
    272,389.36/375,587.40 = 191,791.12/x
  3. Step 3: Cross multiply
    272,389.36x = 375,587.40 × 191,791.12
  4. Step 4: Simplify right side
    272,389.36x = 72,034,328,103.89
  5. Step 5: Solve for x
    x = 72,034,328,103.89/272,389.36
  6. Step 6: Final answer
    x = 264,453.53

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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.