Home / 255,444.03-383,212.44-105,602.94

Finding the Fourth Proportional to 255,444.03, 383,212.44 and 105,602.94

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Solution

The fourth proportional to 255,444.03, 383,212.44 and 105,602.94 is: 158,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,444.03 : 383,212.44 = 105,602.94 : x
  2. Step 2: Convert to fraction form
    255,444.03/383,212.44 = 105,602.94/x
  3. Step 3: Cross multiply
    255,444.03x = 383,212.44 × 105,602.94
  4. Step 4: Simplify right side
    255,444.03x = 40,468,360,308.57
  5. Step 5: Solve for x
    x = 40,468,360,308.57/255,444.03
  6. Step 6: Final answer
    x = 158,423.59

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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.