Home / 157,623.60-236,435.40-52,453.20

Finding the Fourth Proportional to 157,623.60, 236,435.40 and 52,453.20

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Solution

The fourth proportional to 157,623.60, 236,435.40 and 52,453.20 is: 78,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,623.60 : 236,435.40 = 52,453.20 : x
  2. Step 2: Convert to fraction form
    157,623.60/236,435.40 = 52,453.20/x
  3. Step 3: Cross multiply
    157,623.60x = 236,435.40 × 52,453.20
  4. Step 4: Simplify right side
    157,623.60x = 12,401,793,323.28
  5. Step 5: Solve for x
    x = 12,401,793,323.28/157,623.60
  6. Step 6: Final answer
    x = 78,679.80

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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.