Home / 196,985.60-295,132.80-161,734.40

Finding the Fourth Proportional to 196,985.60, 295,132.80 and 161,734.40

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Solution

The fourth proportional to 196,985.60, 295,132.80 and 161,734.40 is: 242,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,985.60 : 295,132.80 = 161,734.40 : x
  2. Step 2: Convert to fraction form
    196,985.60/295,132.80 = 161,734.40/x
  3. Step 3: Cross multiply
    196,985.60x = 295,132.80 × 161,734.40
  4. Step 4: Simplify right side
    196,985.60x = 47,733,126,328.32
  5. Step 5: Solve for x
    x = 47,733,126,328.32/196,985.60
  6. Step 6: Final answer
    x = 242,317.85

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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.