Home / 149,110.37-205,756.91-84,566.53

Finding the Fourth Proportional to 149,110.37, 205,756.91 and 84,566.53

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Solution

The fourth proportional to 149,110.37, 205,756.91 and 84,566.53 is: 116,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,110.37 : 205,756.91 = 84,566.53 : x
  2. Step 2: Convert to fraction form
    149,110.37/205,756.91 = 84,566.53/x
  3. Step 3: Cross multiply
    149,110.37x = 205,756.91 × 84,566.53
  4. Step 4: Simplify right side
    149,110.37x = 17,400,148,053.71
  5. Step 5: Solve for x
    x = 17,400,148,053.71/149,110.37
  6. Step 6: Final answer
    x = 116,693.08

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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.