Home / 371,125.96-512,099.40-207,774.04

Finding the Fourth Proportional to 371,125.96, 512,099.40 and 207,774.04

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Solution

The fourth proportional to 371,125.96, 512,099.40 and 207,774.04 is: 286,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,125.96 : 512,099.40 = 207,774.04 : x
  2. Step 2: Convert to fraction form
    371,125.96/512,099.40 = 207,774.04/x
  3. Step 3: Cross multiply
    371,125.96x = 512,099.40 × 207,774.04
  4. Step 4: Simplify right side
    371,125.96x = 106,400,961,219.58
  5. Step 5: Solve for x
    x = 106,400,961,219.58/371,125.96
  6. Step 6: Final answer
    x = 286,697.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.