Home / 113,937.64-157,207.14-66,162.28

Finding the Fourth Proportional to 113,937.64, 157,207.14 and 66,162.28

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Solution

The fourth proportional to 113,937.64, 157,207.14 and 66,162.28 is: 91,288.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,937.64 : 157,207.14 = 66,162.28 : x
  2. Step 2: Convert to fraction form
    113,937.64/157,207.14 = 66,162.28/x
  3. Step 3: Cross multiply
    113,937.64x = 157,207.14 × 66,162.28
  4. Step 4: Simplify right side
    113,937.64x = 10,401,182,814.68
  5. Step 5: Solve for x
    x = 10,401,182,814.68/113,937.64
  6. Step 6: Final answer
    x = 91,288.38

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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.