Home / 202,325.91-279,209.71-111,681.85

Finding the Fourth Proportional to 202,325.91, 279,209.71 and 111,681.85

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Solution

The fourth proportional to 202,325.91, 279,209.71 and 111,681.85 is: 154,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,325.91 : 279,209.71 = 111,681.85 : x
  2. Step 2: Convert to fraction form
    202,325.91/279,209.71 = 111,681.85/x
  3. Step 3: Cross multiply
    202,325.91x = 279,209.71 × 111,681.85
  4. Step 4: Simplify right side
    202,325.91x = 31,182,656,950.76
  5. Step 5: Solve for x
    x = 31,182,656,950.76/202,325.91
  6. Step 6: Final answer
    x = 154,120.93

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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.