Home / 305,533.16-421,638.56-184,755.18

Finding the Fourth Proportional to 305,533.16, 421,638.56 and 184,755.18

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Solution

The fourth proportional to 305,533.16, 421,638.56 and 184,755.18 is: 254,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,533.16 : 421,638.56 = 184,755.18 : x
  2. Step 2: Convert to fraction form
    305,533.16/421,638.56 = 184,755.18/x
  3. Step 3: Cross multiply
    305,533.16x = 421,638.56 × 184,755.18
  4. Step 4: Simplify right side
    305,533.16x = 77,899,908,065.47
  5. Step 5: Solve for x
    x = 77,899,908,065.47/305,533.16
  6. Step 6: Final answer
    x = 254,963.84

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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.