Home / 357,984.60-536,976.69-105,267.18

Finding the Fourth Proportional to 357,984.60, 536,976.69 and 105,267.18

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Solution

The fourth proportional to 357,984.60, 536,976.69 and 105,267.18 is: 157,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,984.60 : 536,976.69 = 105,267.18 : x
  2. Step 2: Convert to fraction form
    357,984.60/536,976.69 = 105,267.18/x
  3. Step 3: Cross multiply
    357,984.60x = 536,976.69 × 105,267.18
  4. Step 4: Simplify right side
    357,984.60x = 56,526,021,882.03
  5. Step 5: Solve for x
    x = 56,526,021,882.03/357,984.60
  6. Step 6: Final answer
    x = 157,900.71

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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.