Home / 476,117.06-714,221.70-139,150.16

Finding the Fourth Proportional to 476,117.06, 714,221.70 and 139,150.16

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Solution

The fourth proportional to 476,117.06, 714,221.70 and 139,150.16 is: 208,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,117.06 : 714,221.70 = 139,150.16 : x
  2. Step 2: Convert to fraction form
    476,117.06/714,221.70 = 139,150.16/x
  3. Step 3: Cross multiply
    476,117.06x = 714,221.70 × 139,150.16
  4. Step 4: Simplify right side
    476,117.06x = 99,384,063,830.47
  5. Step 5: Solve for x
    x = 99,384,063,830.47/476,117.06
  6. Step 6: Final answer
    x = 208,738.72

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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.