Home / 190,068.90-262,295.78-102,854.01

Finding the Fourth Proportional to 190,068.90, 262,295.78 and 102,854.01

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Solution

The fourth proportional to 190,068.90, 262,295.78 and 102,854.01 is: 141,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,068.90 : 262,295.78 = 102,854.01 : x
  2. Step 2: Convert to fraction form
    190,068.90/262,295.78 = 102,854.01/x
  3. Step 3: Cross multiply
    190,068.90x = 262,295.78 × 102,854.01
  4. Step 4: Simplify right side
    190,068.90x = 26,978,172,779.08
  5. Step 5: Solve for x
    x = 26,978,172,779.08/190,068.90
  6. Step 6: Final answer
    x = 141,938.91

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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.