Home / 356,941.15-535,886.89-207,288.86

Finding the Fourth Proportional to 356,941.15, 535,886.89 and 207,288.86

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Solution

The fourth proportional to 356,941.15, 535,886.89 and 207,288.86 is: 311,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,941.15 : 535,886.89 = 207,288.86 : x
  2. Step 2: Convert to fraction form
    356,941.15/535,886.89 = 207,288.86/x
  3. Step 3: Cross multiply
    356,941.15x = 535,886.89 × 207,288.86
  4. Step 4: Simplify right side
    356,941.15x = 111,083,379,319.39
  5. Step 5: Solve for x
    x = 111,083,379,319.39/356,941.15
  6. Step 6: Final answer
    x = 311,209.23

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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.