Home / 156,634.34-216,155.57-85,014.37

Finding the Fourth Proportional to 156,634.34, 216,155.57 and 85,014.37

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Solution

The fourth proportional to 156,634.34, 216,155.57 and 85,014.37 is: 117,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.34 : 216,155.57 = 85,014.37 : x
  2. Step 2: Convert to fraction form
    156,634.34/216,155.57 = 85,014.37/x
  3. Step 3: Cross multiply
    156,634.34x = 216,155.57 × 85,014.37
  4. Step 4: Simplify right side
    156,634.34x = 18,376,329,605.54
  5. Step 5: Solve for x
    x = 18,376,329,605.54/156,634.34
  6. Step 6: Final answer
    x = 117,319.93

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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.