Home / 202,197.35-279,030.39-111,554.04

Finding the Fourth Proportional to 202,197.35, 279,030.39 and 111,554.04

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Solution

The fourth proportional to 202,197.35, 279,030.39 and 111,554.04 is: 153,943.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,197.35 : 279,030.39 = 111,554.04 : x
  2. Step 2: Convert to fraction form
    202,197.35/279,030.39 = 111,554.04/x
  3. Step 3: Cross multiply
    202,197.35x = 279,030.39 × 111,554.04
  4. Step 4: Simplify right side
    202,197.35x = 31,126,967,287.28
  5. Step 5: Solve for x
    x = 31,126,967,287.28/202,197.35
  6. Step 6: Final answer
    x = 153,943.50

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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.