Home / 134,903.50-186,167.10-74,474.22

Finding the Fourth Proportional to 134,903.50, 186,167.10 and 74,474.22

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Solution

The fourth proportional to 134,903.50, 186,167.10 and 74,474.22 is: 102,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.50 : 186,167.10 = 74,474.22 : x
  2. Step 2: Convert to fraction form
    134,903.50/186,167.10 = 74,474.22/x
  3. Step 3: Cross multiply
    134,903.50x = 186,167.10 × 74,474.22
  4. Step 4: Simplify right side
    134,903.50x = 13,864,649,562.16
  5. Step 5: Solve for x
    x = 13,864,649,562.16/134,903.50
  6. Step 6: Final answer
    x = 102,774.57

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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.