Home / 353,223.60-487,457.78-192,088.05

Finding the Fourth Proportional to 353,223.60, 487,457.78 and 192,088.05

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Solution

The fourth proportional to 353,223.60, 487,457.78 and 192,088.05 is: 265,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,223.60 : 487,457.78 = 192,088.05 : x
  2. Step 2: Convert to fraction form
    353,223.60/487,457.78 = 192,088.05/x
  3. Step 3: Cross multiply
    353,223.60x = 487,457.78 × 192,088.05
  4. Step 4: Simplify right side
    353,223.60x = 93,634,813,457.09
  5. Step 5: Solve for x
    x = 93,634,813,457.09/353,223.60
  6. Step 6: Final answer
    x = 265,086.52

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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.