Home / 134,347.70-185,426.34-77,025.53

Finding the Fourth Proportional to 134,347.70, 185,426.34 and 77,025.53

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Solution

The fourth proportional to 134,347.70, 185,426.34 and 77,025.53 is: 106,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,347.70 : 185,426.34 = 77,025.53 : x
  2. Step 2: Convert to fraction form
    134,347.70/185,426.34 = 77,025.53/x
  3. Step 3: Cross multiply
    134,347.70x = 185,426.34 × 77,025.53
  4. Step 4: Simplify right side
    134,347.70x = 14,282,562,114.46
  5. Step 5: Solve for x
    x = 14,282,562,114.46/134,347.70
  6. Step 6: Final answer
    x = 106,310.43

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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.