Home / 166,410.42-249,677.97-86,398.45

Finding the Fourth Proportional to 166,410.42, 249,677.97 and 86,398.45

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Solution

The fourth proportional to 166,410.42, 249,677.97 and 86,398.45 is: 129,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,410.42 : 249,677.97 = 86,398.45 : x
  2. Step 2: Convert to fraction form
    166,410.42/249,677.97 = 86,398.45/x
  3. Step 3: Cross multiply
    166,410.42x = 249,677.97 × 86,398.45
  4. Step 4: Simplify right side
    166,410.42x = 21,571,788,901.95
  5. Step 5: Solve for x
    x = 21,571,788,901.95/166,410.42
  6. Step 6: Final answer
    x = 129,630.03

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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.