Home / 385,154.16-577,867.99-171,902.67

Finding the Fourth Proportional to 385,154.16, 577,867.99 and 171,902.67

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Solution

The fourth proportional to 385,154.16, 577,867.99 and 171,902.67 is: 257,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,154.16 : 577,867.99 = 171,902.67 : x
  2. Step 2: Convert to fraction form
    385,154.16/577,867.99 = 171,902.67/x
  3. Step 3: Cross multiply
    385,154.16x = 577,867.99 × 171,902.67
  4. Step 4: Simplify right side
    385,154.16x = 99,337,050,388.53
  5. Step 5: Solve for x
    x = 99,337,050,388.53/385,154.16
  6. Step 6: Final answer
    x = 257,915.04

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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.