Home / 190,280.98-262,596.41-105,398.04

Finding the Fourth Proportional to 190,280.98, 262,596.41 and 105,398.04

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Solution

The fourth proportional to 190,280.98, 262,596.41 and 105,398.04 is: 145,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.98 : 262,596.41 = 105,398.04 : x
  2. Step 2: Convert to fraction form
    190,280.98/262,596.41 = 105,398.04/x
  3. Step 3: Cross multiply
    190,280.98x = 262,596.41 × 105,398.04
  4. Step 4: Simplify right side
    190,280.98x = 27,677,146,925.04
  5. Step 5: Solve for x
    x = 27,677,146,925.04/190,280.98
  6. Step 6: Final answer
    x = 145,454.09

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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.