Home / 156,993.60-216,574.99-93,286.29

Finding the Fourth Proportional to 156,993.60, 216,574.99 and 93,286.29

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Solution

The fourth proportional to 156,993.60, 216,574.99 and 93,286.29 is: 128,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,993.60 : 216,574.99 = 93,286.29 : x
  2. Step 2: Convert to fraction form
    156,993.60/216,574.99 = 93,286.29/x
  3. Step 3: Cross multiply
    156,993.60x = 216,574.99 × 93,286.29
  4. Step 4: Simplify right side
    156,993.60x = 20,203,477,323.89
  5. Step 5: Solve for x
    x = 20,203,477,323.89/156,993.60
  6. Step 6: Final answer
    x = 128,689.81

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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.