Home / 190,435.77-262,810.31-105,554.25

Finding the Fourth Proportional to 190,435.77, 262,810.31 and 105,554.25

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Solution

The fourth proportional to 190,435.77, 262,810.31 and 105,554.25 is: 145,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,435.77 : 262,810.31 = 105,554.25 : x
  2. Step 2: Convert to fraction form
    190,435.77/262,810.31 = 105,554.25/x
  3. Step 3: Cross multiply
    190,435.77x = 262,810.31 × 105,554.25
  4. Step 4: Simplify right side
    190,435.77x = 27,740,744,636.55
  5. Step 5: Solve for x
    x = 27,740,744,636.55/190,435.77
  6. Step 6: Final answer
    x = 145,669.82

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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.