Home / 190,279.97-262,595.01-105,397.03

Finding the Fourth Proportional to 190,279.97, 262,595.01 and 105,397.03

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Solution

The fourth proportional to 190,279.97, 262,595.01 and 105,397.03 is: 145,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,279.97 : 262,595.01 = 105,397.03 : x
  2. Step 2: Convert to fraction form
    190,279.97/262,595.01 = 105,397.03/x
  3. Step 3: Cross multiply
    190,279.97x = 262,595.01 × 105,397.03
  4. Step 4: Simplify right side
    190,279.97x = 27,676,734,870.30
  5. Step 5: Solve for x
    x = 27,676,734,870.30/190,279.97
  6. Step 6: Final answer
    x = 145,452.70

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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.