Home / 190,436.16-262,795.68-114,971.52

Finding the Fourth Proportional to 190,436.16, 262,795.68 and 114,971.52

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Solution

The fourth proportional to 190,436.16, 262,795.68 and 114,971.52 is: 158,656.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,436.16 : 262,795.68 = 114,971.52 : x
  2. Step 2: Convert to fraction form
    190,436.16/262,795.68 = 114,971.52/x
  3. Step 3: Cross multiply
    190,436.16x = 262,795.68 × 114,971.52
  4. Step 4: Simplify right side
    190,436.16x = 30,214,018,779.03
  5. Step 5: Solve for x
    x = 30,214,018,779.03/190,436.16
  6. Step 6: Final answer
    x = 158,656.94

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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.