Home / 280,848.94-387,571.53-153,525.44

Finding the Fourth Proportional to 280,848.94, 387,571.53 and 153,525.44

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Solution

The fourth proportional to 280,848.94, 387,571.53 and 153,525.44 is: 211,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,848.94 : 387,571.53 = 153,525.44 : x
  2. Step 2: Convert to fraction form
    280,848.94/387,571.53 = 153,525.44/x
  3. Step 3: Cross multiply
    280,848.94x = 387,571.53 × 153,525.44
  4. Step 4: Simplify right side
    280,848.94x = 59,502,091,219.37
  5. Step 5: Solve for x
    x = 59,502,091,219.37/280,848.94
  6. Step 6: Final answer
    x = 211,865.11

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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.