Home / 156,703.40-216,252.26-85,084.01

Finding the Fourth Proportional to 156,703.40, 216,252.26 and 85,084.01

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Solution

The fourth proportional to 156,703.40, 216,252.26 and 85,084.01 is: 117,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,703.40 : 216,252.26 = 85,084.01 : x
  2. Step 2: Convert to fraction form
    156,703.40/216,252.26 = 85,084.01/x
  3. Step 3: Cross multiply
    156,703.40x = 216,252.26 × 85,084.01
  4. Step 4: Simplify right side
    156,703.40x = 18,399,609,452.36
  5. Step 5: Solve for x
    x = 18,399,609,452.36/156,703.40
  6. Step 6: Final answer
    x = 117,416.79

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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.