Home / 317,867.02-438,656.66-174,636.29

Finding the Fourth Proportional to 317,867.02, 438,656.66 and 174,636.29

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Solution

The fourth proportional to 317,867.02, 438,656.66 and 174,636.29 is: 240,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,867.02 : 438,656.66 = 174,636.29 : x
  2. Step 2: Convert to fraction form
    317,867.02/438,656.66 = 174,636.29/x
  3. Step 3: Cross multiply
    317,867.02x = 438,656.66 × 174,636.29
  4. Step 4: Simplify right side
    317,867.02x = 76,605,369,929.50
  5. Step 5: Solve for x
    x = 76,605,369,929.50/317,867.02
  6. Step 6: Final answer
    x = 240,998.17

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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.