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Finding the Fourth Proportional to 190,323.75, 262,657.80 and 104,282.91

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Solution

The fourth proportional to 190,323.75, 262,657.80 and 104,282.91 is: 143,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,323.75 : 262,657.80 = 104,282.91 : x
  2. Step 2: Convert to fraction form
    190,323.75/262,657.80 = 104,282.91/x
  3. Step 3: Cross multiply
    190,323.75x = 262,657.80 × 104,282.91
  4. Step 4: Simplify right side
    190,323.75x = 27,390,719,718.20
  5. Step 5: Solve for x
    x = 27,390,719,718.20/190,323.75
  6. Step 6: Final answer
    x = 143,916.46

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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.