Home / 307,677.17-461,569.93-105,225.68

Finding the Fourth Proportional to 307,677.17, 461,569.93 and 105,225.68

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Solution

The fourth proportional to 307,677.17, 461,569.93 and 105,225.68 is: 157,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,677.17 : 461,569.93 = 105,225.68 : x
  2. Step 2: Convert to fraction form
    307,677.17/461,569.93 = 105,225.68/x
  3. Step 3: Cross multiply
    307,677.17x = 461,569.93 × 105,225.68
  4. Step 4: Simplify right side
    307,677.17x = 48,569,010,642.66
  5. Step 5: Solve for x
    x = 48,569,010,642.66/307,677.17
  6. Step 6: Final answer
    x = 157,857.05

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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.