Home / 129,266.23-193,897.95-50,435.77

Finding the Fourth Proportional to 129,266.23, 193,897.95 and 50,435.77

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Solution

The fourth proportional to 129,266.23, 193,897.95 and 50,435.77 is: 75,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,266.23 : 193,897.95 = 50,435.77 : x
  2. Step 2: Convert to fraction form
    129,266.23/193,897.95 = 50,435.77/x
  3. Step 3: Cross multiply
    129,266.23x = 193,897.95 × 50,435.77
  4. Step 4: Simplify right side
    129,266.23x = 9,779,392,409.67
  5. Step 5: Solve for x
    x = 9,779,392,409.67/129,266.23
  6. Step 6: Final answer
    x = 75,653.11

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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.