Home / 190,207.74-262,483.47-105,322.98

Finding the Fourth Proportional to 190,207.74, 262,483.47 and 105,322.98

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Solution

The fourth proportional to 190,207.74, 262,483.47 and 105,322.98 is: 145,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.74 : 262,483.47 = 105,322.98 : x
  2. Step 2: Convert to fraction form
    190,207.74/262,483.47 = 105,322.98/x
  3. Step 3: Cross multiply
    190,207.74x = 262,483.47 × 105,322.98
  4. Step 4: Simplify right side
    190,207.74x = 27,645,541,261.14
  5. Step 5: Solve for x
    x = 27,645,541,261.14/190,207.74
  6. Step 6: Final answer
    x = 145,343.93

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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.