Home / 234,570.74-351,802.04-139,827.60

Finding the Fourth Proportional to 234,570.74, 351,802.04 and 139,827.60

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Solution

The fourth proportional to 234,570.74, 351,802.04 and 139,827.60 is: 209,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,570.74 : 351,802.04 = 139,827.60 : x
  2. Step 2: Convert to fraction form
    234,570.74/351,802.04 = 139,827.60/x
  3. Step 3: Cross multiply
    234,570.74x = 351,802.04 × 139,827.60
  4. Step 4: Simplify right side
    234,570.74x = 49,191,634,229.17
  5. Step 5: Solve for x
    x = 49,191,634,229.17/234,570.74
  6. Step 6: Final answer
    x = 209,709.17

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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.