Home / 353,050.75-487,208.07-200,117.86

Finding the Fourth Proportional to 353,050.75, 487,208.07 and 200,117.86

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Solution

The fourth proportional to 353,050.75, 487,208.07 and 200,117.86 is: 276,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,050.75 : 487,208.07 = 200,117.86 : x
  2. Step 2: Convert to fraction form
    353,050.75/487,208.07 = 200,117.86/x
  3. Step 3: Cross multiply
    353,050.75x = 487,208.07 × 200,117.86
  4. Step 4: Simplify right side
    353,050.75x = 97,499,036,343.13
  5. Step 5: Solve for x
    x = 97,499,036,343.13/353,050.75
  6. Step 6: Final answer
    x = 276,161.53

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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.