Home / 152,063.09-209,850.23-84,085.66

Finding the Fourth Proportional to 152,063.09, 209,850.23 and 84,085.66

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Solution

The fourth proportional to 152,063.09, 209,850.23 and 84,085.66 is: 116,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,063.09 : 209,850.23 = 84,085.66 : x
  2. Step 2: Convert to fraction form
    152,063.09/209,850.23 = 84,085.66/x
  3. Step 3: Cross multiply
    152,063.09x = 209,850.23 × 84,085.66
  4. Step 4: Simplify right side
    152,063.09x = 17,645,395,090.70
  5. Step 5: Solve for x
    x = 17,645,395,090.70/152,063.09
  6. Step 6: Final answer
    x = 116,039.96

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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.