Home / 140,326.00-193,656.91-85,861.13

Finding the Fourth Proportional to 140,326.00, 193,656.91 and 85,861.13

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Solution

The fourth proportional to 140,326.00, 193,656.91 and 85,861.13 is: 118,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,326.00 : 193,656.91 = 85,861.13 : x
  2. Step 2: Convert to fraction form
    140,326.00/193,656.91 = 85,861.13/x
  3. Step 3: Cross multiply
    140,326.00x = 193,656.91 × 85,861.13
  4. Step 4: Simplify right side
    140,326.00x = 16,627,601,192.28
  5. Step 5: Solve for x
    x = 16,627,601,192.28/140,326.00
  6. Step 6: Final answer
    x = 118,492.66

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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.