Home / 358,101.09-537,151.77-91,861.61

Finding the Fourth Proportional to 358,101.09, 537,151.77 and 91,861.61

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Solution

The fourth proportional to 358,101.09, 537,151.77 and 91,861.61 is: 137,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,101.09 : 537,151.77 = 91,861.61 : x
  2. Step 2: Convert to fraction form
    358,101.09/537,151.77 = 91,861.61/x
  3. Step 3: Cross multiply
    358,101.09x = 537,151.77 × 91,861.61
  4. Step 4: Simplify right side
    358,101.09x = 49,343,623,720.79
  5. Step 5: Solve for x
    x = 49,343,623,720.79/358,101.09
  6. Step 6: Final answer
    x = 137,792.44

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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.