Home / 109,315.79-150,538.16-94,969.07

Finding the Fourth Proportional to 109,315.79, 150,538.16 and 94,969.07

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Solution

The fourth proportional to 109,315.79, 150,538.16 and 94,969.07 is: 130,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,315.79 : 150,538.16 = 94,969.07 : x
  2. Step 2: Convert to fraction form
    109,315.79/150,538.16 = 94,969.07/x
  3. Step 3: Cross multiply
    109,315.79x = 150,538.16 × 94,969.07
  4. Step 4: Simplify right side
    109,315.79x = 14,296,468,539.44
  5. Step 5: Solve for x
    x = 14,296,468,539.44/109,315.79
  6. Step 6: Final answer
    x = 130,781.37

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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.