Home / 190,865.40-286,298.10-134,586.60

Finding the Fourth Proportional to 190,865.40, 286,298.10 and 134,586.60

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Solution

The fourth proportional to 190,865.40, 286,298.10 and 134,586.60 is: 201,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,865.40 : 286,298.10 = 134,586.60 : x
  2. Step 2: Convert to fraction form
    190,865.40/286,298.10 = 134,586.60/x
  3. Step 3: Cross multiply
    190,865.40x = 286,298.10 × 134,586.60
  4. Step 4: Simplify right side
    190,865.40x = 38,531,887,865.46
  5. Step 5: Solve for x
    x = 38,531,887,865.46/190,865.40
  6. Step 6: Final answer
    x = 201,879.90

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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.