Home / 114,031.32-157,407.12-102,073.56

Finding the Fourth Proportional to 114,031.32, 157,407.12 and 102,073.56

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Solution

The fourth proportional to 114,031.32, 157,407.12 and 102,073.56 is: 140,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,031.32 : 157,407.12 = 102,073.56 : x
  2. Step 2: Convert to fraction form
    114,031.32/157,407.12 = 102,073.56/x
  3. Step 3: Cross multiply
    114,031.32x = 157,407.12 × 102,073.56
  4. Step 4: Simplify right side
    114,031.32x = 16,067,105,107.75
  5. Step 5: Solve for x
    x = 16,067,105,107.75/114,031.32
  6. Step 6: Final answer
    x = 140,900.81

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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.