Home / 156,690.36-216,236.34-93,028.32

Finding the Fourth Proportional to 156,690.36, 216,236.34 and 93,028.32

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Solution

The fourth proportional to 156,690.36, 216,236.34 and 93,028.32 is: 128,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,690.36 : 216,236.34 = 93,028.32 : x
  2. Step 2: Convert to fraction form
    156,690.36/216,236.34 = 93,028.32/x
  3. Step 3: Cross multiply
    156,690.36x = 216,236.34 × 93,028.32
  4. Step 4: Simplify right side
    156,690.36x = 20,116,103,433.15
  5. Step 5: Solve for x
    x = 20,116,103,433.15/156,690.36
  6. Step 6: Final answer
    x = 128,381.24

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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.