Home / 168,800.10-253,238.55-98,643.30

Finding the Fourth Proportional to 168,800.10, 253,238.55 and 98,643.30

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Solution

The fourth proportional to 168,800.10, 253,238.55 and 98,643.30 is: 147,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,800.10 : 253,238.55 = 98,643.30 : x
  2. Step 2: Convert to fraction form
    168,800.10/253,238.55 = 98,643.30/x
  3. Step 3: Cross multiply
    168,800.10x = 253,238.55 × 98,643.30
  4. Step 4: Simplify right side
    168,800.10x = 24,980,286,259.22
  5. Step 5: Solve for x
    x = 24,980,286,259.22/168,800.10
  6. Step 6: Final answer
    x = 147,987.39

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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.