Home / 125,605.48-173,338.74-69,018.28

Finding the Fourth Proportional to 125,605.48, 173,338.74 and 69,018.28

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Solution

The fourth proportional to 125,605.48, 173,338.74 and 69,018.28 is: 95,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,605.48 : 173,338.74 = 69,018.28 : x
  2. Step 2: Convert to fraction form
    125,605.48/173,338.74 = 69,018.28/x
  3. Step 3: Cross multiply
    125,605.48x = 173,338.74 × 69,018.28
  4. Step 4: Simplify right side
    125,605.48x = 11,963,541,692.17
  5. Step 5: Solve for x
    x = 11,963,541,692.17/125,605.48
  6. Step 6: Final answer
    x = 95,246.97

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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.