Home / 156,966.59-235,191.08-90,462.62

Finding the Fourth Proportional to 156,966.59, 235,191.08 and 90,462.62

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Solution

The fourth proportional to 156,966.59, 235,191.08 and 90,462.62 is: 135,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.59 : 235,191.08 = 90,462.62 : x
  2. Step 2: Convert to fraction form
    156,966.59/235,191.08 = 90,462.62/x
  3. Step 3: Cross multiply
    156,966.59x = 235,191.08 × 90,462.62
  4. Step 4: Simplify right side
    156,966.59x = 21,275,999,669.16
  5. Step 5: Solve for x
    x = 21,275,999,669.16/156,966.59
  6. Step 6: Final answer
    x = 135,544.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.