Home / 165,339.81-228,169.17-89,888.31

Finding the Fourth Proportional to 165,339.81, 228,169.17 and 89,888.31

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Solution

The fourth proportional to 165,339.81, 228,169.17 and 89,888.31 is: 124,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,339.81 : 228,169.17 = 89,888.31 : x
  2. Step 2: Convert to fraction form
    165,339.81/228,169.17 = 89,888.31/x
  3. Step 3: Cross multiply
    165,339.81x = 228,169.17 × 89,888.31
  4. Step 4: Simplify right side
    165,339.81x = 20,509,741,085.40
  5. Step 5: Solve for x
    x = 20,509,741,085.40/165,339.81
  6. Step 6: Final answer
    x = 124,045.99

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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.