Home / 190,411.50-262,767.87-105,541.32

Finding the Fourth Proportional to 190,411.50, 262,767.87 and 105,541.32

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Solution

The fourth proportional to 190,411.50, 262,767.87 and 105,541.32 is: 145,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,411.50 : 262,767.87 = 105,541.32 : x
  2. Step 2: Convert to fraction form
    190,411.50/262,767.87 = 105,541.32/x
  3. Step 3: Cross multiply
    190,411.50x = 262,767.87 × 105,541.32
  4. Step 4: Simplify right side
    190,411.50x = 27,732,867,853.39
  5. Step 5: Solve for x
    x = 27,732,867,853.39/190,411.50
  6. Step 6: Final answer
    x = 145,647.02

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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.