Home / 190,457.46-285,705.64-65,782.26

Finding the Fourth Proportional to 190,457.46, 285,705.64 and 65,782.26

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Solution

The fourth proportional to 190,457.46, 285,705.64 and 65,782.26 is: 98,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,457.46 : 285,705.64 = 65,782.26 : x
  2. Step 2: Convert to fraction form
    190,457.46/285,705.64 = 65,782.26/x
  3. Step 3: Cross multiply
    190,457.46x = 285,705.64 × 65,782.26
  4. Step 4: Simplify right side
    190,457.46x = 18,794,362,693.95
  5. Step 5: Solve for x
    x = 18,794,362,693.95/190,457.46
  6. Step 6: Final answer
    x = 98,680.11

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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.