Home / 190,386.74-262,761.75-109,798.62

Finding the Fourth Proportional to 190,386.74, 262,761.75 and 109,798.62

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Solution

The fourth proportional to 190,386.74, 262,761.75 and 109,798.62 is: 151,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,386.74 : 262,761.75 = 109,798.62 : x
  2. Step 2: Convert to fraction form
    190,386.74/262,761.75 = 109,798.62/x
  3. Step 3: Cross multiply
    190,386.74x = 262,761.75 × 109,798.62
  4. Step 4: Simplify right side
    190,386.74x = 28,850,877,538.79
  5. Step 5: Solve for x
    x = 28,850,877,538.79/190,386.74
  6. Step 6: Final answer
    x = 151,538.28

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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.