Home / 119,803.41-165,348.27-72,083.07

Finding the Fourth Proportional to 119,803.41, 165,348.27 and 72,083.07

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Solution

The fourth proportional to 119,803.41, 165,348.27 and 72,083.07 is: 99,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,803.41 : 165,348.27 = 72,083.07 : x
  2. Step 2: Convert to fraction form
    119,803.41/165,348.27 = 72,083.07/x
  3. Step 3: Cross multiply
    119,803.41x = 165,348.27 × 72,083.07
  4. Step 4: Simplify right side
    119,803.41x = 11,918,810,920.79
  5. Step 5: Solve for x
    x = 11,918,810,920.79/119,803.41
  6. Step 6: Final answer
    x = 99,486.41

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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.