Home / 137,368.26-189,570.09-89,594.19

Finding the Fourth Proportional to 137,368.26, 189,570.09 and 89,594.19

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Solution

The fourth proportional to 137,368.26, 189,570.09 and 89,594.19 is: 123,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,368.26 : 189,570.09 = 89,594.19 : x
  2. Step 2: Convert to fraction form
    137,368.26/189,570.09 = 89,594.19/x
  3. Step 3: Cross multiply
    137,368.26x = 189,570.09 × 89,594.19
  4. Step 4: Simplify right side
    137,368.26x = 16,984,378,661.78
  5. Step 5: Solve for x
    x = 16,984,378,661.78/137,368.26
  6. Step 6: Final answer
    x = 123,641.22

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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.