Home / 156,709.03-216,252.40-85,087.41

Finding the Fourth Proportional to 156,709.03, 216,252.40 and 85,087.41

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Solution

The fourth proportional to 156,709.03, 216,252.40 and 85,087.41 is: 117,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,709.03 : 216,252.40 = 85,087.41 : x
  2. Step 2: Convert to fraction form
    156,709.03/216,252.40 = 85,087.41/x
  3. Step 3: Cross multiply
    156,709.03x = 216,252.40 × 85,087.41
  4. Step 4: Simplify right side
    156,709.03x = 18,400,356,622.28
  5. Step 5: Solve for x
    x = 18,400,356,622.28/156,709.03
  6. Step 6: Final answer
    x = 117,417.33

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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.