Home / 157,905.36-236,858.04-64,418.40

Finding the Fourth Proportional to 157,905.36, 236,858.04 and 64,418.40

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Solution

The fourth proportional to 157,905.36, 236,858.04 and 64,418.40 is: 96,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,905.36 : 236,858.04 = 64,418.40 : x
  2. Step 2: Convert to fraction form
    157,905.36/236,858.04 = 64,418.40/x
  3. Step 3: Cross multiply
    157,905.36x = 236,858.04 × 64,418.40
  4. Step 4: Simplify right side
    157,905.36x = 15,258,015,963.94
  5. Step 5: Solve for x
    x = 15,258,015,963.94/157,905.36
  6. Step 6: Final answer
    x = 96,627.60

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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.