Home / 156,935.74-235,401.54-38,608.10

Finding the Fourth Proportional to 156,935.74, 235,401.54 and 38,608.10

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Solution

The fourth proportional to 156,935.74, 235,401.54 and 38,608.10 is: 57,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.74 : 235,401.54 = 38,608.10 : x
  2. Step 2: Convert to fraction form
    156,935.74/235,401.54 = 38,608.10/x
  3. Step 3: Cross multiply
    156,935.74x = 235,401.54 × 38,608.10
  4. Step 4: Simplify right side
    156,935.74x = 9,088,406,196.47
  5. Step 5: Solve for x
    x = 9,088,406,196.47/156,935.74
  6. Step 6: Final answer
    x = 57,911.64

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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.