Home / 190,566.08-263,065.60-133,430

Finding the Fourth Proportional to 190,566.08, 263,065.60 and 133,430

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Solution

The fourth proportional to 190,566.08, 263,065.60 and 133,430 is: 184,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,566.08 : 263,065.60 = 133,430 : x
  2. Step 2: Convert to fraction form
    190,566.08/263,065.60 = 133,430/x
  3. Step 3: Cross multiply
    190,566.08x = 263,065.60 × 133,430
  4. Step 4: Simplify right side
    190,566.08x = 35,100,843,008
  5. Step 5: Solve for x
    x = 35,100,843,008/190,566.08
  6. Step 6: Final answer
    x = 184,192.50

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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.