Home / 128,892.07-193,313.06-64,833.15

Finding the Fourth Proportional to 128,892.07, 193,313.06 and 64,833.15

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Solution

The fourth proportional to 128,892.07, 193,313.06 and 64,833.15 is: 97,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,892.07 : 193,313.06 = 64,833.15 : x
  2. Step 2: Convert to fraction form
    128,892.07/193,313.06 = 64,833.15/x
  3. Step 3: Cross multiply
    128,892.07x = 193,313.06 × 64,833.15
  4. Step 4: Simplify right side
    128,892.07x = 12,533,094,291.77
  5. Step 5: Solve for x
    x = 12,533,094,291.77/128,892.07
  6. Step 6: Final answer
    x = 97,237.12

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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.