Home / 202,325.37-279,209.02-111,681.35

Finding the Fourth Proportional to 202,325.37, 279,209.02 and 111,681.35

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Solution

The fourth proportional to 202,325.37, 279,209.02 and 111,681.35 is: 154,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,325.37 : 279,209.02 = 111,681.35 : x
  2. Step 2: Convert to fraction form
    202,325.37/279,209.02 = 111,681.35/x
  3. Step 3: Cross multiply
    202,325.37x = 279,209.02 × 111,681.35
  4. Step 4: Simplify right side
    202,325.37x = 31,182,440,285.78
  5. Step 5: Solve for x
    x = 31,182,440,285.78/202,325.37
  6. Step 6: Final answer
    x = 154,120.27

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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.