Home / 148,971.23-223,455.94-64,720.43

Finding the Fourth Proportional to 148,971.23, 223,455.94 and 64,720.43

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Solution

The fourth proportional to 148,971.23, 223,455.94 and 64,720.43 is: 97,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,971.23 : 223,455.94 = 64,720.43 : x
  2. Step 2: Convert to fraction form
    148,971.23/223,455.94 = 64,720.43/x
  3. Step 3: Cross multiply
    148,971.23x = 223,455.94 × 64,720.43
  4. Step 4: Simplify right side
    148,971.23x = 14,462,164,522.85
  5. Step 5: Solve for x
    x = 14,462,164,522.85/148,971.23
  6. Step 6: Final answer
    x = 97,080.25

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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.