Home / 157,515.60-236,122.20-52,280.40

Finding the Fourth Proportional to 157,515.60, 236,122.20 and 52,280.40

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Solution

The fourth proportional to 157,515.60, 236,122.20 and 52,280.40 is: 78,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,515.60 : 236,122.20 = 52,280.40 : x
  2. Step 2: Convert to fraction form
    157,515.60/236,122.20 = 52,280.40/x
  3. Step 3: Cross multiply
    157,515.60x = 236,122.20 × 52,280.40
  4. Step 4: Simplify right side
    157,515.60x = 12,344,563,064.88
  5. Step 5: Solve for x
    x = 12,344,563,064.88/157,515.60
  6. Step 6: Final answer
    x = 78,370.42

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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.