Home / 156,913.15-235,110.52-133,585.15

Finding the Fourth Proportional to 156,913.15, 235,110.52 and 133,585.15

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Solution

The fourth proportional to 156,913.15, 235,110.52 and 133,585.15 is: 200,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.15 : 235,110.52 = 133,585.15 : x
  2. Step 2: Convert to fraction form
    156,913.15/235,110.52 = 133,585.15/x
  3. Step 3: Cross multiply
    156,913.15x = 235,110.52 × 133,585.15
  4. Step 4: Simplify right side
    156,913.15x = 31,407,274,080.78
  5. Step 5: Solve for x
    x = 31,407,274,080.78/156,913.15
  6. Step 6: Final answer
    x = 200,157.06

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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.