Home / 148,619.18-205,094.48-84,958.34

Finding the Fourth Proportional to 148,619.18, 205,094.48 and 84,958.34

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Solution

The fourth proportional to 148,619.18, 205,094.48 and 84,958.34 is: 117,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,619.18 : 205,094.48 = 84,958.34 : x
  2. Step 2: Convert to fraction form
    148,619.18/205,094.48 = 84,958.34/x
  3. Step 3: Cross multiply
    148,619.18x = 205,094.48 × 84,958.34
  4. Step 4: Simplify right side
    148,619.18x = 17,424,487,322.07
  5. Step 5: Solve for x
    x = 17,424,487,322.07/148,619.18
  6. Step 6: Final answer
    x = 117,242.52

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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.