Home / 156,917.74-235,374.54-38,590.10

Finding the Fourth Proportional to 156,917.74, 235,374.54 and 38,590.10

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Solution

The fourth proportional to 156,917.74, 235,374.54 and 38,590.10 is: 57,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,917.74 : 235,374.54 = 38,590.10 : x
  2. Step 2: Convert to fraction form
    156,917.74/235,374.54 = 38,590.10/x
  3. Step 3: Cross multiply
    156,917.74x = 235,374.54 × 38,590.10
  4. Step 4: Simplify right side
    156,917.74x = 9,083,127,036.05
  5. Step 5: Solve for x
    x = 9,083,127,036.05/156,917.74
  6. Step 6: Final answer
    x = 57,884.64

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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.