Home / 152,044.68-209,815.47-84,057.33

Finding the Fourth Proportional to 152,044.68, 209,815.47 and 84,057.33

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Solution

The fourth proportional to 152,044.68, 209,815.47 and 84,057.33 is: 115,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,044.68 : 209,815.47 = 84,057.33 : x
  2. Step 2: Convert to fraction form
    152,044.68/209,815.47 = 84,057.33/x
  3. Step 3: Cross multiply
    152,044.68x = 209,815.47 × 84,057.33
  4. Step 4: Simplify right side
    152,044.68x = 17,636,528,200.90
  5. Step 5: Solve for x
    x = 17,636,528,200.90/152,044.68
  6. Step 6: Final answer
    x = 115,995.69

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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.