Home / 147,677.84-221,506.05-57,703.64

Finding the Fourth Proportional to 147,677.84, 221,506.05 and 57,703.64

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Solution

The fourth proportional to 147,677.84, 221,506.05 and 57,703.64 is: 86,551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,677.84 : 221,506.05 = 57,703.64 : x
  2. Step 2: Convert to fraction form
    147,677.84/221,506.05 = 57,703.64/x
  3. Step 3: Cross multiply
    147,677.84x = 221,506.05 × 57,703.64
  4. Step 4: Simplify right side
    147,677.84x = 12,781,703,970.97
  5. Step 5: Solve for x
    x = 12,781,703,970.97/147,677.84
  6. Step 6: Final answer
    x = 86,551.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.