Home / 152,039.43-209,808.23-84,052.08

Finding the Fourth Proportional to 152,039.43, 209,808.23 and 84,052.08

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Solution

The fourth proportional to 152,039.43, 209,808.23 and 84,052.08 is: 115,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,039.43 : 209,808.23 = 84,052.08 : x
  2. Step 2: Convert to fraction form
    152,039.43/209,808.23 = 84,052.08/x
  3. Step 3: Cross multiply
    152,039.43x = 209,808.23 × 84,052.08
  4. Step 4: Simplify right side
    152,039.43x = 17,634,817,712.36
  5. Step 5: Solve for x
    x = 17,634,817,712.36/152,039.43
  6. Step 6: Final answer
    x = 115,988.45

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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.