Home / 190,684.18-286,307.34-106,609.15

Finding the Fourth Proportional to 190,684.18, 286,307.34 and 106,609.15

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Solution

The fourth proportional to 190,684.18, 286,307.34 and 106,609.15 is: 160,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,684.18 : 286,307.34 = 106,609.15 : x
  2. Step 2: Convert to fraction form
    190,684.18/286,307.34 = 106,609.15/x
  3. Step 3: Cross multiply
    190,684.18x = 286,307.34 × 106,609.15
  4. Step 4: Simplify right side
    190,684.18x = 30,522,982,156.16
  5. Step 5: Solve for x
    x = 30,522,982,156.16/190,684.18
  6. Step 6: Final answer
    x = 160,070.87

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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.