Home / 476,133.12-714,245.76-139,166.16

Finding the Fourth Proportional to 476,133.12, 714,245.76 and 139,166.16

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Solution

The fourth proportional to 476,133.12, 714,245.76 and 139,166.16 is: 208,762.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,133.12 : 714,245.76 = 139,166.16 : x
  2. Step 2: Convert to fraction form
    476,133.12/714,245.76 = 139,166.16/x
  3. Step 3: Cross multiply
    476,133.12x = 714,245.76 × 139,166.16
  4. Step 4: Simplify right side
    476,133.12x = 99,398,839,715.48
  5. Step 5: Solve for x
    x = 99,398,839,715.48/476,133.12
  6. Step 6: Final answer
    x = 208,762.71

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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.