Home / 156,926.36-216,555.83-85,308.19

Finding the Fourth Proportional to 156,926.36, 216,555.83 and 85,308.19

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Solution

The fourth proportional to 156,926.36, 216,555.83 and 85,308.19 is: 117,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.36 : 216,555.83 = 85,308.19 : x
  2. Step 2: Convert to fraction form
    156,926.36/216,555.83 = 85,308.19/x
  3. Step 3: Cross multiply
    156,926.36x = 216,555.83 × 85,308.19
  4. Step 4: Simplify right side
    156,926.36x = 18,473,985,243.22
  5. Step 5: Solve for x
    x = 18,473,985,243.22/156,926.36
  6. Step 6: Final answer
    x = 117,723.91

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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.