Home / 272,605.86-376,187.28-151,743.15

Finding the Fourth Proportional to 272,605.86, 376,187.28 and 151,743.15

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Solution

The fourth proportional to 272,605.86, 376,187.28 and 151,743.15 is: 209,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,605.86 : 376,187.28 = 151,743.15 : x
  2. Step 2: Convert to fraction form
    272,605.86/376,187.28 = 151,743.15/x
  3. Step 3: Cross multiply
    272,605.86x = 376,187.28 × 151,743.15
  4. Step 4: Simplify right side
    272,605.86x = 57,083,842,857.13
  5. Step 5: Solve for x
    x = 57,083,842,857.13/272,605.86
  6. Step 6: Final answer
    x = 209,400.64

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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.