Home / 161,615.61-242,416.94-61,771.77

Finding the Fourth Proportional to 161,615.61, 242,416.94 and 61,771.77

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Solution

The fourth proportional to 161,615.61, 242,416.94 and 61,771.77 is: 92,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,615.61 : 242,416.94 = 61,771.77 : x
  2. Step 2: Convert to fraction form
    161,615.61/242,416.94 = 61,771.77/x
  3. Step 3: Cross multiply
    161,615.61x = 242,416.94 × 61,771.77
  4. Step 4: Simplify right side
    161,615.61x = 14,974,523,152.93
  5. Step 5: Solve for x
    x = 14,974,523,152.93/161,615.61
  6. Step 6: Final answer
    x = 92,655.18

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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.