Home / 148,211.08-204,512.07-84,545.08

Finding the Fourth Proportional to 148,211.08, 204,512.07 and 84,545.08

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Solution

The fourth proportional to 148,211.08, 204,512.07 and 84,545.08 is: 116,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,211.08 : 204,512.07 = 84,545.08 : x
  2. Step 2: Convert to fraction form
    148,211.08/204,512.07 = 84,545.08/x
  3. Step 3: Cross multiply
    148,211.08x = 204,512.07 × 84,545.08
  4. Step 4: Simplify right side
    148,211.08x = 17,290,489,319.12
  5. Step 5: Solve for x
    x = 17,290,489,319.12/148,211.08
  6. Step 6: Final answer
    x = 116,661.25

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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.