Home / 288,950.10-433,317.36-99,356.83

Finding the Fourth Proportional to 288,950.10, 433,317.36 and 99,356.83

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Solution

The fourth proportional to 288,950.10, 433,317.36 and 99,356.83 is: 148,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,950.10 : 433,317.36 = 99,356.83 : x
  2. Step 2: Convert to fraction form
    288,950.10/433,317.36 = 99,356.83/x
  3. Step 3: Cross multiply
    288,950.10x = 433,317.36 × 99,356.83
  4. Step 4: Simplify right side
    288,950.10x = 43,053,039,273.57
  5. Step 5: Solve for x
    x = 43,053,039,273.57/288,950.10
  6. Step 6: Final answer
    x = 148,998.18

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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.