Home / 152,072.45-209,841.66-84,080.24

Finding the Fourth Proportional to 152,072.45, 209,841.66 and 84,080.24

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Solution

The fourth proportional to 152,072.45, 209,841.66 and 84,080.24 is: 116,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,072.45 : 209,841.66 = 84,080.24 : x
  2. Step 2: Convert to fraction form
    152,072.45/209,841.66 = 84,080.24/x
  3. Step 3: Cross multiply
    152,072.45x = 209,841.66 × 84,080.24
  4. Step 4: Simplify right side
    152,072.45x = 17,643,537,134.80
  5. Step 5: Solve for x
    x = 17,643,537,134.80/152,072.45
  6. Step 6: Final answer
    x = 116,020.60

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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.