Home / 202,264.40-279,126.06-111,622.70

Finding the Fourth Proportional to 202,264.40, 279,126.06 and 111,622.70

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Solution

The fourth proportional to 202,264.40, 279,126.06 and 111,622.70 is: 154,039.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,264.40 : 279,126.06 = 111,622.70 : x
  2. Step 2: Convert to fraction form
    202,264.40/279,126.06 = 111,622.70/x
  3. Step 3: Cross multiply
    202,264.40x = 279,126.06 × 111,622.70
  4. Step 4: Simplify right side
    202,264.40x = 31,156,804,457.56
  5. Step 5: Solve for x
    x = 31,156,804,457.56/202,264.40
  6. Step 6: Final answer
    x = 154,039.98

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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.