Home / 122,595.12-169,036.74-115,028.10

Finding the Fourth Proportional to 122,595.12, 169,036.74 and 115,028.10

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Solution

The fourth proportional to 122,595.12, 169,036.74 and 115,028.10 is: 158,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,595.12 : 169,036.74 = 115,028.10 : x
  2. Step 2: Convert to fraction form
    122,595.12/169,036.74 = 115,028.10/x
  3. Step 3: Cross multiply
    122,595.12x = 169,036.74 × 115,028.10
  4. Step 4: Simplify right side
    122,595.12x = 19,443,975,032.39
  5. Step 5: Solve for x
    x = 19,443,975,032.39/122,595.12
  6. Step 6: Final answer
    x = 158,603.17

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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.