Home / 156,708.87-216,252.37-85,087.36

Finding the Fourth Proportional to 156,708.87, 216,252.37 and 85,087.36

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Solution

The fourth proportional to 156,708.87, 216,252.37 and 85,087.36 is: 117,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,708.87 : 216,252.37 = 85,087.36 : x
  2. Step 2: Convert to fraction form
    156,708.87/216,252.37 = 85,087.36/x
  3. Step 3: Cross multiply
    156,708.87x = 216,252.37 × 85,087.36
  4. Step 4: Simplify right side
    156,708.87x = 18,400,341,750.34
  5. Step 5: Solve for x
    x = 18,400,341,750.34/156,708.87
  6. Step 6: Final answer
    x = 117,417.36

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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.