Home / 172,909.35-238,616.72-97,457.85

Finding the Fourth Proportional to 172,909.35, 238,616.72 and 97,457.85

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Solution

The fourth proportional to 172,909.35, 238,616.72 and 97,457.85 is: 134,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,909.35 : 238,616.72 = 97,457.85 : x
  2. Step 2: Convert to fraction form
    172,909.35/238,616.72 = 97,457.85/x
  3. Step 3: Cross multiply
    172,909.35x = 238,616.72 × 97,457.85
  4. Step 4: Simplify right side
    172,909.35x = 23,255,070,824.88
  5. Step 5: Solve for x
    x = 23,255,070,824.88/172,909.35
  6. Step 6: Final answer
    x = 134,492.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.