Home / 255,521.14-383,006.52-122,117.80

Finding the Fourth Proportional to 255,521.14, 383,006.52 and 122,117.80

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Solution

The fourth proportional to 255,521.14, 383,006.52 and 122,117.80 is: 183,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,521.14 : 383,006.52 = 122,117.80 : x
  2. Step 2: Convert to fraction form
    255,521.14/383,006.52 = 122,117.80/x
  3. Step 3: Cross multiply
    255,521.14x = 383,006.52 × 122,117.80
  4. Step 4: Simplify right side
    255,521.14x = 46,771,913,608.06
  5. Step 5: Solve for x
    x = 46,771,913,608.06/255,521.14
  6. Step 6: Final answer
    x = 183,045.18

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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.