Home / 157,612.08-236,420.17-52,431.05

Finding the Fourth Proportional to 157,612.08, 236,420.17 and 52,431.05

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Solution

The fourth proportional to 157,612.08, 236,420.17 and 52,431.05 is: 78,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612.08 : 236,420.17 = 52,431.05 : x
  2. Step 2: Convert to fraction form
    157,612.08/236,420.17 = 52,431.05/x
  3. Step 3: Cross multiply
    157,612.08x = 236,420.17 × 52,431.05
  4. Step 4: Simplify right side
    157,612.08x = 12,395,756,884.39
  5. Step 5: Solve for x
    x = 12,395,756,884.39/157,612.08
  6. Step 6: Final answer
    x = 78,647.25

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1.5x scale

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.