Home / 278,591.02-384,457.12-151,266.62

Finding the Fourth Proportional to 278,591.02, 384,457.12 and 151,266.62

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Solution

The fourth proportional to 278,591.02, 384,457.12 and 151,266.62 is: 208,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,591.02 : 384,457.12 = 151,266.62 : x
  2. Step 2: Convert to fraction form
    278,591.02/384,457.12 = 151,266.62/x
  3. Step 3: Cross multiply
    278,591.02x = 384,457.12 × 151,266.62
  4. Step 4: Simplify right side
    278,591.02x = 58,155,529,077.33
  5. Step 5: Solve for x
    x = 58,155,529,077.33/278,591.02
  6. Step 6: Final answer
    x = 208,748.76

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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.