Home / 156,844.96-216,421.68-93,181.12

Finding the Fourth Proportional to 156,844.96, 216,421.68 and 93,181.12

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Solution

The fourth proportional to 156,844.96, 216,421.68 and 93,181.12 is: 128,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,844.96 : 216,421.68 = 93,181.12 : x
  2. Step 2: Convert to fraction form
    156,844.96/216,421.68 = 93,181.12/x
  3. Step 3: Cross multiply
    156,844.96x = 216,421.68 × 93,181.12
  4. Step 4: Simplify right side
    156,844.96x = 20,166,414,534.68
  5. Step 5: Solve for x
    x = 20,166,414,534.68/156,844.96
  6. Step 6: Final answer
    x = 128,575.47

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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.