Home / 115,539.29-159,798.60-103,598.27

Finding the Fourth Proportional to 115,539.29, 159,798.60 and 103,598.27

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Solution

The fourth proportional to 115,539.29, 159,798.60 and 103,598.27 is: 143,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,539.29 : 159,798.60 = 103,598.27 : x
  2. Step 2: Convert to fraction form
    115,539.29/159,798.60 = 103,598.27/x
  3. Step 3: Cross multiply
    115,539.29x = 159,798.60 × 103,598.27
  4. Step 4: Simplify right side
    115,539.29x = 16,554,857,709.43
  5. Step 5: Solve for x
    x = 16,554,857,709.43/115,539.29
  6. Step 6: Final answer
    x = 143,283.37

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1.5x scale

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.