Home / 114,126.68-157,499.52-63,138.58

Finding the Fourth Proportional to 114,126.68, 157,499.52 and 63,138.58

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Solution

The fourth proportional to 114,126.68, 157,499.52 and 63,138.58 is: 87,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,126.68 : 157,499.52 = 63,138.58 : x
  2. Step 2: Convert to fraction form
    114,126.68/157,499.52 = 63,138.58/x
  3. Step 3: Cross multiply
    114,126.68x = 157,499.52 × 63,138.58
  4. Step 4: Simplify right side
    114,126.68x = 9,944,296,043.48
  5. Step 5: Solve for x
    x = 9,944,296,043.48/114,126.68
  6. Step 6: Final answer
    x = 87,133.84

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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.