Home / 353,264.15-487,494.09-200,316.31

Finding the Fourth Proportional to 353,264.15, 487,494.09 and 200,316.31

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Solution

The fourth proportional to 353,264.15, 487,494.09 and 200,316.31 is: 276,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,264.15 : 487,494.09 = 200,316.31 : x
  2. Step 2: Convert to fraction form
    353,264.15/487,494.09 = 200,316.31/x
  3. Step 3: Cross multiply
    353,264.15x = 487,494.09 × 200,316.31
  4. Step 4: Simplify right side
    353,264.15x = 97,653,016,036.87
  5. Step 5: Solve for x
    x = 97,653,016,036.87/353,264.15
  6. Step 6: Final answer
    x = 276,430.58

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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.