Home / 147,338.46-221,118.93-118,109.25

Finding the Fourth Proportional to 147,338.46, 221,118.93 and 118,109.25

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Solution

The fourth proportional to 147,338.46, 221,118.93 and 118,109.25 is: 177,253.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,338.46 : 221,118.93 = 118,109.25 : x
  2. Step 2: Convert to fraction form
    147,338.46/221,118.93 = 118,109.25/x
  3. Step 3: Cross multiply
    147,338.46x = 221,118.93 × 118,109.25
  4. Step 4: Simplify right side
    147,338.46x = 26,116,190,983.10
  5. Step 5: Solve for x
    x = 26,116,190,983.10/147,338.46
  6. Step 6: Final answer
    x = 177,253.05

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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.