Home / 278,548.93-384,401.75-151,224.52

Finding the Fourth Proportional to 278,548.93, 384,401.75 and 151,224.52

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Solution

The fourth proportional to 278,548.93, 384,401.75 and 151,224.52 is: 208,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,548.93 : 384,401.75 = 151,224.52 : x
  2. Step 2: Convert to fraction form
    278,548.93/384,401.75 = 151,224.52/x
  3. Step 3: Cross multiply
    278,548.93x = 384,401.75 × 151,224.52
  4. Step 4: Simplify right side
    278,548.93x = 58,130,970,130.91
  5. Step 5: Solve for x
    x = 58,130,970,130.91/278,548.93
  6. Step 6: Final answer
    x = 208,692.13

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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.