Home / 293,088.20-439,624.06-93,420.56

Finding the Fourth Proportional to 293,088.20, 439,624.06 and 93,420.56

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Solution

The fourth proportional to 293,088.20, 439,624.06 and 93,420.56 is: 140,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,088.20 : 439,624.06 = 93,420.56 : x
  2. Step 2: Convert to fraction form
    293,088.20/439,624.06 = 93,420.56/x
  3. Step 3: Cross multiply
    293,088.20x = 439,624.06 × 93,420.56
  4. Step 4: Simplify right side
    293,088.20x = 41,069,925,874.67
  5. Step 5: Solve for x
    x = 41,069,925,874.67/293,088.20
  6. Step 6: Final answer
    x = 140,128.21

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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.