Home / 117,937.43-162,728.27-70,181.45

Finding the Fourth Proportional to 117,937.43, 162,728.27 and 70,181.45

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Solution

The fourth proportional to 117,937.43, 162,728.27 and 70,181.45 is: 96,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,937.43 : 162,728.27 = 70,181.45 : x
  2. Step 2: Convert to fraction form
    117,937.43/162,728.27 = 70,181.45/x
  3. Step 3: Cross multiply
    117,937.43x = 162,728.27 × 70,181.45
  4. Step 4: Simplify right side
    117,937.43x = 11,420,506,263.69
  5. Step 5: Solve for x
    x = 11,420,506,263.69/117,937.43
  6. Step 6: Final answer
    x = 96,835.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.