Home / 128,773.07-193,156.65-34,009.93

Finding the Fourth Proportional to 128,773.07, 193,156.65 and 34,009.93

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Solution

The fourth proportional to 128,773.07, 193,156.65 and 34,009.93 is: 51,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,773.07 : 193,156.65 = 34,009.93 : x
  2. Step 2: Convert to fraction form
    128,773.07/193,156.65 = 34,009.93/x
  3. Step 3: Cross multiply
    128,773.07x = 193,156.65 × 34,009.93
  4. Step 4: Simplify right side
    128,773.07x = 6,569,243,662.64
  5. Step 5: Solve for x
    x = 6,569,243,662.64/128,773.07
  6. Step 6: Final answer
    x = 51,014.11

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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.