Home / 114,110.40-157,464.36-66,360.36

Finding the Fourth Proportional to 114,110.40, 157,464.36 and 66,360.36

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Solution

The fourth proportional to 114,110.40, 157,464.36 and 66,360.36 is: 91,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,110.40 : 157,464.36 = 66,360.36 : x
  2. Step 2: Convert to fraction form
    114,110.40/157,464.36 = 66,360.36/x
  3. Step 3: Cross multiply
    114,110.40x = 157,464.36 × 66,360.36
  4. Step 4: Simplify right side
    114,110.40x = 10,449,391,616.77
  5. Step 5: Solve for x
    x = 10,449,391,616.77/114,110.40
  6. Step 6: Final answer
    x = 91,572.65

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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.