Home / 190,847.40-286,271.10-134,568.60

Finding the Fourth Proportional to 190,847.40, 286,271.10 and 134,568.60

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Solution

The fourth proportional to 190,847.40, 286,271.10 and 134,568.60 is: 201,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,847.40 : 286,271.10 = 134,568.60 : x
  2. Step 2: Convert to fraction form
    190,847.40/286,271.10 = 134,568.60/x
  3. Step 3: Cross multiply
    190,847.40x = 286,271.10 × 134,568.60
  4. Step 4: Simplify right side
    190,847.40x = 38,523,101,147.46
  5. Step 5: Solve for x
    x = 38,523,101,147.46/190,847.40
  6. Step 6: Final answer
    x = 201,852.90

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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.