Home / 190,835.60-286,253.40-66,176.60

Finding the Fourth Proportional to 190,835.60, 286,253.40 and 66,176.60

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Solution

The fourth proportional to 190,835.60, 286,253.40 and 66,176.60 is: 99,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,835.60 : 286,253.40 = 66,176.60 : x
  2. Step 2: Convert to fraction form
    190,835.60/286,253.40 = 66,176.60/x
  3. Step 3: Cross multiply
    190,835.60x = 286,253.40 × 66,176.60
  4. Step 4: Simplify right side
    190,835.60x = 18,943,276,750.44
  5. Step 5: Solve for x
    x = 18,943,276,750.44/190,835.60
  6. Step 6: Final answer
    x = 99,264.90

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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.