Home / 385,267.89-577,905.74-172,046.67

Finding the Fourth Proportional to 385,267.89, 577,905.74 and 172,046.67

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Solution

The fourth proportional to 385,267.89, 577,905.74 and 172,046.67 is: 258,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,267.89 : 577,905.74 = 172,046.67 : x
  2. Step 2: Convert to fraction form
    385,267.89/577,905.74 = 172,046.67/x
  3. Step 3: Cross multiply
    385,267.89x = 577,905.74 × 172,046.67
  4. Step 4: Simplify right side
    385,267.89x = 99,426,755,758.68
  5. Step 5: Solve for x
    x = 99,426,755,758.68/385,267.89
  6. Step 6: Final answer
    x = 258,071.74

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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.