Home / 190,511.80-285,665.60-64,110.02

Finding the Fourth Proportional to 190,511.80, 285,665.60 and 64,110.02

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Solution

The fourth proportional to 190,511.80, 285,665.60 and 64,110.02 is: 96,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,511.80 : 285,665.60 = 64,110.02 : x
  2. Step 2: Convert to fraction form
    190,511.80/285,665.60 = 64,110.02/x
  3. Step 3: Cross multiply
    190,511.80x = 285,665.60 × 64,110.02
  4. Step 4: Simplify right side
    190,511.80x = 18,314,026,061.26
  5. Step 5: Solve for x
    x = 18,314,026,061.26/190,511.80
  6. Step 6: Final answer
    x = 96,130.67

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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.