Home / 99,403.66-149,107.03-94,356.81

Finding the Fourth Proportional to 99,403.66, 149,107.03 and 94,356.81

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Solution

The fourth proportional to 99,403.66, 149,107.03 and 94,356.81 is: 141,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,403.66 : 149,107.03 = 94,356.81 : x
  2. Step 2: Convert to fraction form
    99,403.66/149,107.03 = 94,356.81/x
  3. Step 3: Cross multiply
    99,403.66x = 149,107.03 × 94,356.81
  4. Step 4: Simplify right side
    99,403.66x = 14,069,264,308.03
  5. Step 5: Solve for x
    x = 14,069,264,308.03/99,403.66
  6. Step 6: Final answer
    x = 141,536.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.