Home / 98,290.14-147,415.77-28,176.54

Finding the Fourth Proportional to 98,290.14, 147,415.77 and 28,176.54

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Solution

The fourth proportional to 98,290.14, 147,415.77 and 28,176.54 is: 42,259.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,290.14 : 147,415.77 = 28,176.54 : x
  2. Step 2: Convert to fraction form
    98,290.14/147,415.77 = 28,176.54/x
  3. Step 3: Cross multiply
    98,290.14x = 147,415.77 × 28,176.54
  4. Step 4: Simplify right side
    98,290.14x = 4,153,666,340.04
  5. Step 5: Solve for x
    x = 4,153,666,340.04/98,290.14
  6. Step 6: Final answer
    x = 42,259.24

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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.