Home / 113,159.06-169,738.81-42,097.28

Finding the Fourth Proportional to 113,159.06, 169,738.81 and 42,097.28

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Solution

The fourth proportional to 113,159.06, 169,738.81 and 42,097.28 is: 63,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,159.06 : 169,738.81 = 42,097.28 : x
  2. Step 2: Convert to fraction form
    113,159.06/169,738.81 = 42,097.28/x
  3. Step 3: Cross multiply
    113,159.06x = 169,738.81 × 42,097.28
  4. Step 4: Simplify right side
    113,159.06x = 7,145,541,362.74
  5. Step 5: Solve for x
    x = 7,145,541,362.74/113,159.06
  6. Step 6: Final answer
    x = 63,146.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.