Home / 157,477.40-236,216.10-57,640.85

Finding the Fourth Proportional to 157,477.40, 236,216.10 and 57,640.85

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Solution

The fourth proportional to 157,477.40, 236,216.10 and 57,640.85 is: 86,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,477.40 : 236,216.10 = 57,640.85 : x
  2. Step 2: Convert to fraction form
    157,477.40/236,216.10 = 57,640.85/x
  3. Step 3: Cross multiply
    157,477.40x = 236,216.10 × 57,640.85
  4. Step 4: Simplify right side
    157,477.40x = 13,615,696,787.69
  5. Step 5: Solve for x
    x = 13,615,696,787.69/157,477.40
  6. Step 6: Final answer
    x = 86,461.28

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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.