Home / 190,420.93-285,655.97-64,006.66

Finding the Fourth Proportional to 190,420.93, 285,655.97 and 64,006.66

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Solution

The fourth proportional to 190,420.93, 285,655.97 and 64,006.66 is: 96,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,420.93 : 285,655.97 = 64,006.66 : x
  2. Step 2: Convert to fraction form
    190,420.93/285,655.97 = 64,006.66/x
  3. Step 3: Cross multiply
    190,420.93x = 285,655.97 × 64,006.66
  4. Step 4: Simplify right side
    190,420.93x = 18,283,884,548.76
  5. Step 5: Solve for x
    x = 18,283,884,548.76/190,420.93
  6. Step 6: Final answer
    x = 96,018.25

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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.