Home / 152,908.46-211,030.41-87,503.33

Finding the Fourth Proportional to 152,908.46, 211,030.41 and 87,503.33

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Solution

The fourth proportional to 152,908.46, 211,030.41 and 87,503.33 is: 120,764.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,908.46 : 211,030.41 = 87,503.33 : x
  2. Step 2: Convert to fraction form
    152,908.46/211,030.41 = 87,503.33/x
  3. Step 3: Cross multiply
    152,908.46x = 211,030.41 × 87,503.33
  4. Step 4: Simplify right side
    152,908.46x = 18,465,862,551.11
  5. Step 5: Solve for x
    x = 18,465,862,551.11/152,908.46
  6. Step 6: Final answer
    x = 120,764.17

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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.