Home / 352,971.65-487,104.63-191,826.70

Finding the Fourth Proportional to 352,971.65, 487,104.63 and 191,826.70

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Solution

The fourth proportional to 352,971.65, 487,104.63 and 191,826.70 is: 264,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,971.65 : 487,104.63 = 191,826.70 : x
  2. Step 2: Convert to fraction form
    352,971.65/487,104.63 = 191,826.70/x
  3. Step 3: Cross multiply
    352,971.65x = 487,104.63 × 191,826.70
  4. Step 4: Simplify right side
    352,971.65x = 93,439,673,727.62
  5. Step 5: Solve for x
    x = 93,439,673,727.62/352,971.65
  6. Step 6: Final answer
    x = 264,722.89

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1.5x scale

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.