Home / 121,626.51-182,533.32-79,495.17

Finding the Fourth Proportional to 121,626.51, 182,533.32 and 79,495.17

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Solution

The fourth proportional to 121,626.51, 182,533.32 and 79,495.17 is: 119,303.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,626.51 : 182,533.32 = 79,495.17 : x
  2. Step 2: Convert to fraction form
    121,626.51/182,533.32 = 79,495.17/x
  3. Step 3: Cross multiply
    121,626.51x = 182,533.32 × 79,495.17
  4. Step 4: Simplify right side
    121,626.51x = 14,510,517,304.06
  5. Step 5: Solve for x
    x = 14,510,517,304.06/121,626.51
  6. Step 6: Final answer
    x = 119,303.90

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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.