Home / 98,358.98-147,539.34-28,238.27

Finding the Fourth Proportional to 98,358.98, 147,539.34 and 28,238.27

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Solution

The fourth proportional to 98,358.98, 147,539.34 and 28,238.27 is: 42,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,358.98 : 147,539.34 = 28,238.27 : x
  2. Step 2: Convert to fraction form
    98,358.98/147,539.34 = 28,238.27/x
  3. Step 3: Cross multiply
    98,358.98x = 147,539.34 × 28,238.27
  4. Step 4: Simplify right side
    98,358.98x = 4,166,254,980.85
  5. Step 5: Solve for x
    x = 4,166,254,980.85/98,358.98
  6. Step 6: Final answer
    x = 42,357.65

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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.