Home / 157,572.46-236,400.81-68,833.18

Finding the Fourth Proportional to 157,572.46, 236,400.81 and 68,833.18

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Solution

The fourth proportional to 157,572.46, 236,400.81 and 68,833.18 is: 103,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,572.46 : 236,400.81 = 68,833.18 : x
  2. Step 2: Convert to fraction form
    157,572.46/236,400.81 = 68,833.18/x
  3. Step 3: Cross multiply
    157,572.46x = 236,400.81 × 68,833.18
  4. Step 4: Simplify right side
    157,572.46x = 16,272,219,506.88
  5. Step 5: Solve for x
    x = 16,272,219,506.88/157,572.46
  6. Step 6: Final answer
    x = 103,268.17

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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.