Home / 354,629.10-531,943.65-144,417.90

Finding the Fourth Proportional to 354,629.10, 531,943.65 and 144,417.90

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Solution

The fourth proportional to 354,629.10, 531,943.65 and 144,417.90 is: 216,626.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,629.10 : 531,943.65 = 144,417.90 : x
  2. Step 2: Convert to fraction form
    354,629.10/531,943.65 = 144,417.90/x
  3. Step 3: Cross multiply
    354,629.10x = 531,943.65 × 144,417.90
  4. Step 4: Simplify right side
    354,629.10x = 76,822,184,851.34
  5. Step 5: Solve for x
    x = 76,822,184,851.34/354,629.10
  6. Step 6: Final answer
    x = 216,626.85

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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.