Home / 113,849.32-157,114.32-66,085.24

Finding the Fourth Proportional to 113,849.32, 157,114.32 and 66,085.24

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Solution

The fourth proportional to 113,849.32, 157,114.32 and 66,085.24 is: 91,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,849.32 : 157,114.32 = 66,085.24 : x
  2. Step 2: Convert to fraction form
    113,849.32/157,114.32 = 66,085.24/x
  3. Step 3: Cross multiply
    113,849.32x = 157,114.32 × 66,085.24
  4. Step 4: Simplify right side
    113,849.32x = 10,382,937,544.64
  5. Step 5: Solve for x
    x = 10,382,937,544.64/113,849.32
  6. Step 6: Final answer
    x = 91,198.94

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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.