Home / 140,948.81-211,041.86-103,223.06

Finding the Fourth Proportional to 140,948.81, 211,041.86 and 103,223.06

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Solution

The fourth proportional to 140,948.81, 211,041.86 and 103,223.06 is: 154,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,948.81 : 211,041.86 = 103,223.06 : x
  2. Step 2: Convert to fraction form
    140,948.81/211,041.86 = 103,223.06/x
  3. Step 3: Cross multiply
    140,948.81x = 211,041.86 × 103,223.06
  4. Step 4: Simplify right side
    140,948.81x = 21,784,385,797.37
  5. Step 5: Solve for x
    x = 21,784,385,797.37/140,948.81
  6. Step 6: Final answer
    x = 154,555.30

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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.