Home / 156,911.79-235,365.64-38,584.16

Finding the Fourth Proportional to 156,911.79, 235,365.64 and 38,584.16

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Solution

The fourth proportional to 156,911.79, 235,365.64 and 38,584.16 is: 57,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.79 : 235,365.64 = 38,584.16 : x
  2. Step 2: Convert to fraction form
    156,911.79/235,365.64 = 38,584.16/x
  3. Step 3: Cross multiply
    156,911.79x = 235,365.64 × 38,584.16
  4. Step 4: Simplify right side
    156,911.79x = 9,081,384,238.97
  5. Step 5: Solve for x
    x = 9,081,384,238.97/156,911.79
  6. Step 6: Final answer
    x = 57,875.73

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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.