Home / 120,971.04-166,927.36-67,247.40

Finding the Fourth Proportional to 120,971.04, 166,927.36 and 67,247.40

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Solution

The fourth proportional to 120,971.04, 166,927.36 and 67,247.40 is: 92,794.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,971.04 : 166,927.36 = 67,247.40 : x
  2. Step 2: Convert to fraction form
    120,971.04/166,927.36 = 67,247.40/x
  3. Step 3: Cross multiply
    120,971.04x = 166,927.36 × 67,247.40
  4. Step 4: Simplify right side
    120,971.04x = 11,225,430,948.86
  5. Step 5: Solve for x
    x = 11,225,430,948.86/120,971.04
  6. Step 6: Final answer
    x = 92,794.37

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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.