Home / 155,686.68-233,380.50-99,367.80

Finding the Fourth Proportional to 155,686.68, 233,380.50 and 99,367.80

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Solution

The fourth proportional to 155,686.68, 233,380.50 and 99,367.80 is: 148,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,686.68 : 233,380.50 = 99,367.80 : x
  2. Step 2: Convert to fraction form
    155,686.68/233,380.50 = 99,367.80/x
  3. Step 3: Cross multiply
    155,686.68x = 233,380.50 × 99,367.80
  4. Step 4: Simplify right side
    155,686.68x = 23,190,506,847.90
  5. Step 5: Solve for x
    x = 23,190,506,847.90/155,686.68
  6. Step 6: Final answer
    x = 148,956.27

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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.