Home / 147,618.30-221,427.45-118,093.80

Finding the Fourth Proportional to 147,618.30, 221,427.45 and 118,093.80

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Solution

The fourth proportional to 147,618.30, 221,427.45 and 118,093.80 is: 177,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618.30 : 221,427.45 = 118,093.80 : x
  2. Step 2: Convert to fraction form
    147,618.30/221,427.45 = 118,093.80/x
  3. Step 3: Cross multiply
    147,618.30x = 221,427.45 × 118,093.80
  4. Step 4: Simplify right side
    147,618.30x = 26,149,208,994.81
  5. Step 5: Solve for x
    x = 26,149,208,994.81/147,618.30
  6. Step 6: Final answer
    x = 177,140.70

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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.