Home / 190,457.40-285,690.06-64,101.36

Finding the Fourth Proportional to 190,457.40, 285,690.06 and 64,101.36

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Solution

The fourth proportional to 190,457.40, 285,690.06 and 64,101.36 is: 96,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,457.40 : 285,690.06 = 64,101.36 : x
  2. Step 2: Convert to fraction form
    190,457.40/285,690.06 = 64,101.36/x
  3. Step 3: Cross multiply
    190,457.40x = 285,690.06 × 64,101.36
  4. Step 4: Simplify right side
    190,457.40x = 18,313,121,384.48
  5. Step 5: Solve for x
    x = 18,313,121,384.48/190,457.40
  6. Step 6: Final answer
    x = 96,153.37

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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.