Home / 156,053.10-233,683.65-85,853.10

Finding the Fourth Proportional to 156,053.10, 233,683.65 and 85,853.10

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Solution

The fourth proportional to 156,053.10, 233,683.65 and 85,853.10 is: 128,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,053.10 : 233,683.65 = 85,853.10 : x
  2. Step 2: Convert to fraction form
    156,053.10/233,683.65 = 85,853.10/x
  3. Step 3: Cross multiply
    156,053.10x = 233,683.65 × 85,853.10
  4. Step 4: Simplify right side
    156,053.10x = 20,062,465,771.82
  5. Step 5: Solve for x
    x = 20,062,465,771.82/156,053.10
  6. Step 6: Final answer
    x = 128,561.79

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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.