Home / 190,717.64-286,096.44-70,807.40

Finding the Fourth Proportional to 190,717.64, 286,096.44 and 70,807.40

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Solution

The fourth proportional to 190,717.64, 286,096.44 and 70,807.40 is: 106,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,717.64 : 286,096.44 = 70,807.40 : x
  2. Step 2: Convert to fraction form
    190,717.64/286,096.44 = 70,807.40/x
  3. Step 3: Cross multiply
    190,717.64x = 286,096.44 × 70,807.40
  4. Step 4: Simplify right side
    190,717.64x = 20,257,745,065.66
  5. Step 5: Solve for x
    x = 20,257,745,065.66/190,717.64
  6. Step 6: Final answer
    x = 106,218.52

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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.