Home / 317,115.23-437,615.75-173,875.04

Finding the Fourth Proportional to 317,115.23, 437,615.75 and 173,875.04

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Solution

The fourth proportional to 317,115.23, 437,615.75 and 173,875.04 is: 239,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,115.23 : 437,615.75 = 173,875.04 : x
  2. Step 2: Convert to fraction form
    317,115.23/437,615.75 = 173,875.04/x
  3. Step 3: Cross multiply
    317,115.23x = 437,615.75 × 173,875.04
  4. Step 4: Simplify right side
    317,115.23x = 76,090,456,035.88
  5. Step 5: Solve for x
    x = 76,090,456,035.88/317,115.23
  6. Step 6: Final answer
    x = 239,945.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.