Home / 202,197.05-279,037.27-111,554.20

Finding the Fourth Proportional to 202,197.05, 279,037.27 and 111,554.20

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Solution

The fourth proportional to 202,197.05, 279,037.27 and 111,554.20 is: 153,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,197.05 : 279,037.27 = 111,554.20 : x
  2. Step 2: Convert to fraction form
    202,197.05/279,037.27 = 111,554.20/x
  3. Step 3: Cross multiply
    202,197.05x = 279,037.27 × 111,554.20
  4. Step 4: Simplify right side
    202,197.05x = 31,127,779,425.03
  5. Step 5: Solve for x
    x = 31,127,779,425.03/202,197.05
  6. Step 6: Final answer
    x = 153,947.74

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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.