Home / 298,342.08-447,320.27-127,675.22

Finding the Fourth Proportional to 298,342.08, 447,320.27 and 127,675.22

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Solution

The fourth proportional to 298,342.08, 447,320.27 and 127,675.22 is: 191,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,342.08 : 447,320.27 = 127,675.22 : x
  2. Step 2: Convert to fraction form
    298,342.08/447,320.27 = 127,675.22/x
  3. Step 3: Cross multiply
    298,342.08x = 447,320.27 × 127,675.22
  4. Step 4: Simplify right side
    298,342.08x = 57,111,711,965.30
  5. Step 5: Solve for x
    x = 57,111,711,965.30/298,342.08
  6. Step 6: Final answer
    x = 191,430.29

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1.5x scale

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.