Home / 280,923.39-387,674.24-153,598.95

Finding the Fourth Proportional to 280,923.39, 387,674.24 and 153,598.95

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Solution

The fourth proportional to 280,923.39, 387,674.24 and 153,598.95 is: 211,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,923.39 : 387,674.24 = 153,598.95 : x
  2. Step 2: Convert to fraction form
    280,923.39/387,674.24 = 153,598.95/x
  3. Step 3: Cross multiply
    280,923.39x = 387,674.24 × 153,598.95
  4. Step 4: Simplify right side
    280,923.39x = 59,546,355,438.05
  5. Step 5: Solve for x
    x = 59,546,355,438.05/280,923.39
  6. Step 6: Final answer
    x = 211,966.53

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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.