Home / 190,965-286,349.04-131,084.94

Finding the Fourth Proportional to 190,965, 286,349.04 and 131,084.94

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Solution

The fourth proportional to 190,965, 286,349.04 and 131,084.94 is: 196,559.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965 : 286,349.04 = 131,084.94 : x
  2. Step 2: Convert to fraction form
    190,965/286,349.04 = 131,084.94/x
  3. Step 3: Cross multiply
    190,965x = 286,349.04 × 131,084.94
  4. Step 4: Simplify right side
    190,965x = 37,536,046,727.46
  5. Step 5: Solve for x
    x = 37,536,046,727.46/190,965
  6. Step 6: Final answer
    x = 196,559.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.