Home / 122,603.04-169,187.40-74,936.16

Finding the Fourth Proportional to 122,603.04, 169,187.40 and 74,936.16

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Solution

The fourth proportional to 122,603.04, 169,187.40 and 74,936.16 is: 103,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,603.04 : 169,187.40 = 74,936.16 : x
  2. Step 2: Convert to fraction form
    122,603.04/169,187.40 = 74,936.16/x
  3. Step 3: Cross multiply
    122,603.04x = 169,187.40 × 74,936.16
  4. Step 4: Simplify right side
    122,603.04x = 12,678,254,076.38
  5. Step 5: Solve for x
    x = 12,678,254,076.38/122,603.04
  6. Step 6: Final answer
    x = 103,408.97

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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.