Home / 133,309.46-183,969.26-79,599.18

Finding the Fourth Proportional to 133,309.46, 183,969.26 and 79,599.18

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Solution

The fourth proportional to 133,309.46, 183,969.26 and 79,599.18 is: 109,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,309.46 : 183,969.26 = 79,599.18 : x
  2. Step 2: Convert to fraction form
    133,309.46/183,969.26 = 79,599.18/x
  3. Step 3: Cross multiply
    133,309.46x = 183,969.26 × 79,599.18
  4. Step 4: Simplify right side
    133,309.46x = 14,643,802,241.21
  5. Step 5: Solve for x
    x = 14,643,802,241.21/133,309.46
  6. Step 6: Final answer
    x = 109,848.19

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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.