Home / 190,503.84-262,910.16-105,637.44

Finding the Fourth Proportional to 190,503.84, 262,910.16 and 105,637.44

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Solution

The fourth proportional to 190,503.84, 262,910.16 and 105,637.44 is: 145,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,503.84 : 262,910.16 = 105,637.44 : x
  2. Step 2: Convert to fraction form
    190,503.84/262,910.16 = 105,637.44/x
  3. Step 3: Cross multiply
    190,503.84x = 262,910.16 × 105,637.44
  4. Step 4: Simplify right side
    190,503.84x = 27,773,156,252.39
  5. Step 5: Solve for x
    x = 27,773,156,252.39/190,503.84
  6. Step 6: Final answer
    x = 145,787.91

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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.