Home / 147,625.70-221,438.55-97,762.10

Finding the Fourth Proportional to 147,625.70, 221,438.55 and 97,762.10

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Solution

The fourth proportional to 147,625.70, 221,438.55 and 97,762.10 is: 146,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.70 : 221,438.55 = 97,762.10 : x
  2. Step 2: Convert to fraction form
    147,625.70/221,438.55 = 97,762.10/x
  3. Step 3: Cross multiply
    147,625.70x = 221,438.55 × 97,762.10
  4. Step 4: Simplify right side
    147,625.70x = 21,648,297,668.96
  5. Step 5: Solve for x
    x = 21,648,297,668.96/147,625.70
  6. Step 6: Final answer
    x = 146,643.15

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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.