Home / 190,442.13-285,699.33-76,598.66

Finding the Fourth Proportional to 190,442.13, 285,699.33 and 76,598.66

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Solution

The fourth proportional to 190,442.13, 285,699.33 and 76,598.66 is: 114,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,442.13 : 285,699.33 = 76,598.66 : x
  2. Step 2: Convert to fraction form
    190,442.13/285,699.33 = 76,598.66/x
  3. Step 3: Cross multiply
    190,442.13x = 285,699.33 × 76,598.66
  4. Step 4: Simplify right side
    190,442.13x = 21,884,184,412.40
  5. Step 5: Solve for x
    x = 21,884,184,412.40/190,442.13
  6. Step 6: Final answer
    x = 114,912.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.