Home / 190,912.10-286,368.15-106,931.30

Finding the Fourth Proportional to 190,912.10, 286,368.15 and 106,931.30

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Solution

The fourth proportional to 190,912.10, 286,368.15 and 106,931.30 is: 160,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,912.10 : 286,368.15 = 106,931.30 : x
  2. Step 2: Convert to fraction form
    190,912.10/286,368.15 = 106,931.30/x
  3. Step 3: Cross multiply
    190,912.10x = 286,368.15 × 106,931.30
  4. Step 4: Simplify right side
    190,912.10x = 30,621,718,558.10
  5. Step 5: Solve for x
    x = 30,621,718,558.10/190,912.10
  6. Step 6: Final answer
    x = 160,396.95

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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.