Home / 98,365.88-147,505.30-28,228.92

Finding the Fourth Proportional to 98,365.88, 147,505.30 and 28,228.92

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Solution

The fourth proportional to 98,365.88, 147,505.30 and 28,228.92 is: 42,330.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,365.88 : 147,505.30 = 28,228.92 : x
  2. Step 2: Convert to fraction form
    98,365.88/147,505.30 = 28,228.92/x
  3. Step 3: Cross multiply
    98,365.88x = 147,505.30 × 28,228.92
  4. Step 4: Simplify right side
    98,365.88x = 4,163,915,313.28
  5. Step 5: Solve for x
    x = 4,163,915,313.28/98,365.88
  6. Step 6: Final answer
    x = 42,330.89

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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.