Home / 190,211.03-262,446.15-112,647.51

Finding the Fourth Proportional to 190,211.03, 262,446.15 and 112,647.51

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Solution

The fourth proportional to 190,211.03, 262,446.15 and 112,647.51 is: 155,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,211.03 : 262,446.15 = 112,647.51 : x
  2. Step 2: Convert to fraction form
    190,211.03/262,446.15 = 112,647.51/x
  3. Step 3: Cross multiply
    190,211.03x = 262,446.15 × 112,647.51
  4. Step 4: Simplify right side
    190,211.03x = 29,563,905,306.59
  5. Step 5: Solve for x
    x = 29,563,905,306.59/190,211.03
  6. Step 6: Final answer
    x = 155,426.87

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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.