Home / 134,674.44-185,817.40-80,948.76

Finding the Fourth Proportional to 134,674.44, 185,817.40 and 80,948.76

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Solution

The fourth proportional to 134,674.44, 185,817.40 and 80,948.76 is: 111,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,674.44 : 185,817.40 = 80,948.76 : x
  2. Step 2: Convert to fraction form
    134,674.44/185,817.40 = 80,948.76/x
  3. Step 3: Cross multiply
    134,674.44x = 185,817.40 × 80,948.76
  4. Step 4: Simplify right side
    134,674.44x = 15,041,688,116.42
  5. Step 5: Solve for x
    x = 15,041,688,116.42/134,674.44
  6. Step 6: Final answer
    x = 111,689.26

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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.