Home / 100,674.18-151,127.93-54,018.18

Finding the Fourth Proportional to 100,674.18, 151,127.93 and 54,018.18

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Solution

The fourth proportional to 100,674.18, 151,127.93 and 54,018.18 is: 81,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,674.18 : 151,127.93 = 54,018.18 : x
  2. Step 2: Convert to fraction form
    100,674.18/151,127.93 = 54,018.18/x
  3. Step 3: Cross multiply
    100,674.18x = 151,127.93 × 54,018.18
  4. Step 4: Simplify right side
    100,674.18x = 8,163,655,725.77
  5. Step 5: Solve for x
    x = 8,163,655,725.77/100,674.18
  6. Step 6: Final answer
    x = 81,089.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.