Home / 193,307.72-289,928.16-51,153.93

Finding the Fourth Proportional to 193,307.72, 289,928.16 and 51,153.93

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Solution

The fourth proportional to 193,307.72, 289,928.16 and 51,153.93 is: 76,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,307.72 : 289,928.16 = 51,153.93 : x
  2. Step 2: Convert to fraction form
    193,307.72/289,928.16 = 51,153.93/x
  3. Step 3: Cross multiply
    193,307.72x = 289,928.16 × 51,153.93
  4. Step 4: Simplify right side
    193,307.72x = 14,830,964,801.67
  5. Step 5: Solve for x
    x = 14,830,964,801.67/193,307.72
  6. Step 6: Final answer
    x = 76,722.05

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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.