Home / 157,557.60-236,336.40-73,317.60

Finding the Fourth Proportional to 157,557.60, 236,336.40 and 73,317.60

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Solution

The fourth proportional to 157,557.60, 236,336.40 and 73,317.60 is: 109,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,557.60 : 236,336.40 = 73,317.60 : x
  2. Step 2: Convert to fraction form
    157,557.60/236,336.40 = 73,317.60/x
  3. Step 3: Cross multiply
    157,557.60x = 236,336.40 × 73,317.60
  4. Step 4: Simplify right side
    157,557.60x = 17,327,617,640.64
  5. Step 5: Solve for x
    x = 17,327,617,640.64/157,557.60
  6. Step 6: Final answer
    x = 109,976.40

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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.