Home / 157,416.04-217,234.30-85,796.12

Finding the Fourth Proportional to 157,416.04, 217,234.30 and 85,796.12

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Solution

The fourth proportional to 157,416.04, 217,234.30 and 85,796.12 is: 118,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,416.04 : 217,234.30 = 85,796.12 : x
  2. Step 2: Convert to fraction form
    157,416.04/217,234.30 = 85,796.12/x
  3. Step 3: Cross multiply
    157,416.04x = 217,234.30 × 85,796.12
  4. Step 4: Simplify right side
    157,416.04x = 18,637,860,070.92
  5. Step 5: Solve for x
    x = 18,637,860,070.92/157,416.04
  6. Step 6: Final answer
    x = 118,398.74

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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.