Home / 157,812.28-236,720.58-52,631.32

Finding the Fourth Proportional to 157,812.28, 236,720.58 and 52,631.32

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Solution

The fourth proportional to 157,812.28, 236,720.58 and 52,631.32 is: 78,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,812.28 : 236,720.58 = 52,631.32 : x
  2. Step 2: Convert to fraction form
    157,812.28/236,720.58 = 52,631.32/x
  3. Step 3: Cross multiply
    157,812.28x = 236,720.58 × 52,631.32
  4. Step 4: Simplify right side
    157,812.28x = 12,458,916,596.57
  5. Step 5: Solve for x
    x = 12,458,916,596.57/157,812.28
  6. Step 6: Final answer
    x = 78,947.70

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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.