Home / 157,385.28-236,026.80-52,176

Finding the Fourth Proportional to 157,385.28, 236,026.80 and 52,176

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Solution

The fourth proportional to 157,385.28, 236,026.80 and 52,176 is: 78,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,385.28 : 236,026.80 = 52,176 : x
  2. Step 2: Convert to fraction form
    157,385.28/236,026.80 = 52,176/x
  3. Step 3: Cross multiply
    157,385.28x = 236,026.80 × 52,176
  4. Step 4: Simplify right side
    157,385.28x = 12,314,934,316.80
  5. Step 5: Solve for x
    x = 12,314,934,316.80/157,385.28
  6. Step 6: Final answer
    x = 78,247.05

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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.