Home / 119,430.69-164,795.54-68,433.60

Finding the Fourth Proportional to 119,430.69, 164,795.54 and 68,433.60

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Solution

The fourth proportional to 119,430.69, 164,795.54 and 68,433.60 is: 94,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,430.69 : 164,795.54 = 68,433.60 : x
  2. Step 2: Convert to fraction form
    119,430.69/164,795.54 = 68,433.60/x
  3. Step 3: Cross multiply
    119,430.69x = 164,795.54 × 68,433.60
  4. Step 4: Simplify right side
    119,430.69x = 11,277,552,341.96
  5. Step 5: Solve for x
    x = 11,277,552,341.96/119,430.69
  6. Step 6: Final answer
    x = 94,427.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.