Home / 120,812.40-166,725-67,098.06

Finding the Fourth Proportional to 120,812.40, 166,725 and 67,098.06

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Solution

The fourth proportional to 120,812.40, 166,725 and 67,098.06 is: 92,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,812.40 : 166,725 = 67,098.06 : x
  2. Step 2: Convert to fraction form
    120,812.40/166,725 = 67,098.06/x
  3. Step 3: Cross multiply
    120,812.40x = 166,725 × 67,098.06
  4. Step 4: Simplify right side
    120,812.40x = 11,186,924,053.50
  5. Step 5: Solve for x
    x = 11,186,924,053.50/120,812.40
  6. Step 6: Final answer
    x = 92,597.48

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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.