Home / 157,140-235,717.32-44,827.92

Finding the Fourth Proportional to 157,140, 235,717.32 and 44,827.92

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Solution

The fourth proportional to 157,140, 235,717.32 and 44,827.92 is: 67,243.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,140 : 235,717.32 = 44,827.92 : x
  2. Step 2: Convert to fraction form
    157,140/235,717.32 = 44,827.92/x
  3. Step 3: Cross multiply
    157,140x = 235,717.32 × 44,827.92
  4. Step 4: Simplify right side
    157,140x = 10,566,717,163.57
  5. Step 5: Solve for x
    x = 10,566,717,163.57/157,140
  6. Step 6: Final answer
    x = 67,243.97

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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.