Home / 120,971.65-166,931.41-67,253.40

Finding the Fourth Proportional to 120,971.65, 166,931.41 and 67,253.40

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Solution

The fourth proportional to 120,971.65, 166,931.41 and 67,253.40 is: 92,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,971.65 : 166,931.41 = 67,253.40 : x
  2. Step 2: Convert to fraction form
    120,971.65/166,931.41 = 67,253.40/x
  3. Step 3: Cross multiply
    120,971.65x = 166,931.41 × 67,253.40
  4. Step 4: Simplify right side
    120,971.65x = 11,226,704,889.29
  5. Step 5: Solve for x
    x = 11,226,704,889.29/120,971.65
  6. Step 6: Final answer
    x = 92,804.43

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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.