Home / 190,420.83-285,573.60-57,265.74

Finding the Fourth Proportional to 190,420.83, 285,573.60 and 57,265.74

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Solution

The fourth proportional to 190,420.83, 285,573.60 and 57,265.74 is: 85,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,420.83 : 285,573.60 = 57,265.74 : x
  2. Step 2: Convert to fraction form
    190,420.83/285,573.60 = 57,265.74/x
  3. Step 3: Cross multiply
    190,420.83x = 285,573.60 × 57,265.74
  4. Step 4: Simplify right side
    190,420.83x = 16,353,583,528.46
  5. Step 5: Solve for x
    x = 16,353,583,528.46/190,420.83
  6. Step 6: Final answer
    x = 85,881.27

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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.