Home / 190,563.23-262,970.65-105,688.19

Finding the Fourth Proportional to 190,563.23, 262,970.65 and 105,688.19

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Solution

The fourth proportional to 190,563.23, 262,970.65 and 105,688.19 is: 145,846.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,563.23 : 262,970.65 = 105,688.19 : x
  2. Step 2: Convert to fraction form
    190,563.23/262,970.65 = 105,688.19/x
  3. Step 3: Cross multiply
    190,563.23x = 262,970.65 × 105,688.19
  4. Step 4: Simplify right side
    190,563.23x = 27,792,892,811.16
  5. Step 5: Solve for x
    x = 27,792,892,811.16/190,563.23
  6. Step 6: Final answer
    x = 145,846.04

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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.