Home / 156,153.98-215,412.96-94,883.66

Finding the Fourth Proportional to 156,153.98, 215,412.96 and 94,883.66

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Solution

The fourth proportional to 156,153.98, 215,412.96 and 94,883.66 is: 130,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,153.98 : 215,412.96 = 94,883.66 : x
  2. Step 2: Convert to fraction form
    156,153.98/215,412.96 = 94,883.66/x
  3. Step 3: Cross multiply
    156,153.98x = 215,412.96 × 94,883.66
  4. Step 4: Simplify right side
    156,153.98x = 20,439,170,056.23
  5. Step 5: Solve for x
    x = 20,439,170,056.23/156,153.98
  6. Step 6: Final answer
    x = 130,891.12

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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.