Home / 238,417.40-357,403.76-80,535.44

Finding the Fourth Proportional to 238,417.40, 357,403.76 and 80,535.44

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Solution

The fourth proportional to 238,417.40, 357,403.76 and 80,535.44 is: 120,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,417.40 : 357,403.76 = 80,535.44 : x
  2. Step 2: Convert to fraction form
    238,417.40/357,403.76 = 80,535.44/x
  3. Step 3: Cross multiply
    238,417.40x = 357,403.76 × 80,535.44
  4. Step 4: Simplify right side
    238,417.40x = 28,783,669,069.25
  5. Step 5: Solve for x
    x = 28,783,669,069.25/238,417.40
  6. Step 6: Final answer
    x = 120,728.06

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1.5x scale

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.