Home / 358,947.59-495,351.01-197,808.42

Finding the Fourth Proportional to 358,947.59, 495,351.01 and 197,808.42

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Solution

The fourth proportional to 358,947.59, 495,351.01 and 197,808.42 is: 272,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,947.59 : 495,351.01 = 197,808.42 : x
  2. Step 2: Convert to fraction form
    358,947.59/495,351.01 = 197,808.42/x
  3. Step 3: Cross multiply
    358,947.59x = 495,351.01 × 197,808.42
  4. Step 4: Simplify right side
    358,947.59x = 97,984,600,633.50
  5. Step 5: Solve for x
    x = 97,984,600,633.50/358,947.59
  6. Step 6: Final answer
    x = 272,977.46

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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.