Home / 202,298.45-279,266.33-117,399.11

Finding the Fourth Proportional to 202,298.45, 279,266.33 and 117,399.11

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Solution

The fourth proportional to 202,298.45, 279,266.33 and 117,399.11 is: 162,065.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,298.45 : 279,266.33 = 117,399.11 : x
  2. Step 2: Convert to fraction form
    202,298.45/279,266.33 = 117,399.11/x
  3. Step 3: Cross multiply
    202,298.45x = 279,266.33 × 117,399.11
  4. Step 4: Simplify right side
    202,298.45x = 32,785,617,492.13
  5. Step 5: Solve for x
    x = 32,785,617,492.13/202,298.45
  6. Step 6: Final answer
    x = 162,065.59

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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.