Home / 190,259.63-262,555.07-105,374.87

Finding the Fourth Proportional to 190,259.63, 262,555.07 and 105,374.87

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Solution

The fourth proportional to 190,259.63, 262,555.07 and 105,374.87 is: 145,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,259.63 : 262,555.07 = 105,374.87 : x
  2. Step 2: Convert to fraction form
    190,259.63/262,555.07 = 105,374.87/x
  3. Step 3: Cross multiply
    190,259.63x = 262,555.07 × 105,374.87
  4. Step 4: Simplify right side
    190,259.63x = 27,666,704,529.44
  5. Step 5: Solve for x
    x = 27,666,704,529.44/190,259.63
  6. Step 6: Final answer
    x = 145,415.53

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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.