Home / 148,703.08-222,588.06-78,369.16

Finding the Fourth Proportional to 148,703.08, 222,588.06 and 78,369.16

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Solution

The fourth proportional to 148,703.08, 222,588.06 and 78,369.16 is: 117,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,703.08 : 222,588.06 = 78,369.16 : x
  2. Step 2: Convert to fraction form
    148,703.08/222,588.06 = 78,369.16/x
  3. Step 3: Cross multiply
    148,703.08x = 222,588.06 × 78,369.16
  4. Step 4: Simplify right side
    148,703.08x = 17,444,039,288.23
  5. Step 5: Solve for x
    x = 17,444,039,288.23/148,703.08
  6. Step 6: Final answer
    x = 117,307.85

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1.5x scale

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.