Home / 190,529.87-262,943.02-105,646.93

Finding the Fourth Proportional to 190,529.87, 262,943.02 and 105,646.93

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Solution

The fourth proportional to 190,529.87, 262,943.02 and 105,646.93 is: 145,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,529.87 : 262,943.02 = 105,646.93 : x
  2. Step 2: Convert to fraction form
    190,529.87/262,943.02 = 105,646.93/x
  3. Step 3: Cross multiply
    190,529.87x = 262,943.02 × 105,646.93
  4. Step 4: Simplify right side
    190,529.87x = 27,779,122,563.81
  5. Step 5: Solve for x
    x = 27,779,122,563.81/190,529.87
  6. Step 6: Final answer
    x = 145,799.31

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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.