Home / 278,390.55-384,180.02-151,066.14

Finding the Fourth Proportional to 278,390.55, 384,180.02 and 151,066.14

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Solution

The fourth proportional to 278,390.55, 384,180.02 and 151,066.14 is: 208,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,390.55 : 384,180.02 = 151,066.14 : x
  2. Step 2: Convert to fraction form
    278,390.55/384,180.02 = 151,066.14/x
  3. Step 3: Cross multiply
    278,390.55x = 384,180.02 × 151,066.14
  4. Step 4: Simplify right side
    278,390.55x = 58,036,592,686.52
  5. Step 5: Solve for x
    x = 58,036,592,686.52/278,390.55
  6. Step 6: Final answer
    x = 208,471.85

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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.