Home / 157,957.05-236,900.60-45,612.81

Finding the Fourth Proportional to 157,957.05, 236,900.60 and 45,612.81

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Solution

The fourth proportional to 157,957.05, 236,900.60 and 45,612.81 is: 68,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,957.05 : 236,900.60 = 45,612.81 : x
  2. Step 2: Convert to fraction form
    157,957.05/236,900.60 = 45,612.81/x
  3. Step 3: Cross multiply
    157,957.05x = 236,900.60 × 45,612.81
  4. Step 4: Simplify right side
    157,957.05x = 10,805,701,828.62
  5. Step 5: Solve for x
    x = 10,805,701,828.62/157,957.05
  6. Step 6: Final answer
    x = 68,409.11

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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.