Home / 190,680.40-286,312.20-111,948.40

Finding the Fourth Proportional to 190,680.40, 286,312.20 and 111,948.40

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Solution

The fourth proportional to 190,680.40, 286,312.20 and 111,948.40 is: 168,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,680.40 : 286,312.20 = 111,948.40 : x
  2. Step 2: Convert to fraction form
    190,680.40/286,312.20 = 111,948.40/x
  3. Step 3: Cross multiply
    190,680.40x = 286,312.20 × 111,948.40
  4. Step 4: Simplify right side
    190,680.40x = 32,052,192,690.48
  5. Step 5: Solve for x
    x = 32,052,192,690.48/190,680.40
  6. Step 6: Final answer
    x = 168,093.80

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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.