Home / 114,512.79-157,973.22-76,290.12

Finding the Fourth Proportional to 114,512.79, 157,973.22 and 76,290.12

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Solution

The fourth proportional to 114,512.79, 157,973.22 and 76,290.12 is: 105,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,512.79 : 157,973.22 = 76,290.12 : x
  2. Step 2: Convert to fraction form
    114,512.79/157,973.22 = 76,290.12/x
  3. Step 3: Cross multiply
    114,512.79x = 157,973.22 × 76,290.12
  4. Step 4: Simplify right side
    114,512.79x = 12,051,795,910.59
  5. Step 5: Solve for x
    x = 12,051,795,910.59/114,512.79
  6. Step 6: Final answer
    x = 105,244.10

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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.