Home / 115,880.40-173,820.60-36,997.20

Finding the Fourth Proportional to 115,880.40, 173,820.60 and 36,997.20

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Solution

The fourth proportional to 115,880.40, 173,820.60 and 36,997.20 is: 55,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,880.40 : 173,820.60 = 36,997.20 : x
  2. Step 2: Convert to fraction form
    115,880.40/173,820.60 = 36,997.20/x
  3. Step 3: Cross multiply
    115,880.40x = 173,820.60 × 36,997.20
  4. Step 4: Simplify right side
    115,880.40x = 6,430,875,502.32
  5. Step 5: Solve for x
    x = 6,430,875,502.32/115,880.40
  6. Step 6: Final answer
    x = 55,495.80

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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.