Home / 353,107.74-487,298.22-191,973.62

Finding the Fourth Proportional to 353,107.74, 487,298.22 and 191,973.62

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Solution

The fourth proportional to 353,107.74, 487,298.22 and 191,973.62 is: 264,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,107.74 : 487,298.22 = 191,973.62 : x
  2. Step 2: Convert to fraction form
    353,107.74/487,298.22 = 191,973.62/x
  3. Step 3: Cross multiply
    353,107.74x = 487,298.22 × 191,973.62
  4. Step 4: Simplify right side
    353,107.74x = 93,548,403,312.96
  5. Step 5: Solve for x
    x = 93,548,403,312.96/353,107.74
  6. Step 6: Final answer
    x = 264,928.78

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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.