Home / 272,440.86-375,986.36-151,582.40

Finding the Fourth Proportional to 272,440.86, 375,986.36 and 151,582.40

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Solution

The fourth proportional to 272,440.86, 375,986.36 and 151,582.40 is: 209,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,440.86 : 375,986.36 = 151,582.40 : x
  2. Step 2: Convert to fraction form
    272,440.86/375,986.36 = 151,582.40/x
  3. Step 3: Cross multiply
    272,440.86x = 375,986.36 × 151,582.40
  4. Step 4: Simplify right side
    272,440.86x = 56,992,914,816.06
  5. Step 5: Solve for x
    x = 56,992,914,816.06/272,440.86
  6. Step 6: Final answer
    x = 209,193.71

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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.