Home / 192,345.72-288,518.58-52,104.30

Finding the Fourth Proportional to 192,345.72, 288,518.58 and 52,104.30

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Solution

The fourth proportional to 192,345.72, 288,518.58 and 52,104.30 is: 78,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,345.72 : 288,518.58 = 52,104.30 : x
  2. Step 2: Convert to fraction form
    192,345.72/288,518.58 = 52,104.30/x
  3. Step 3: Cross multiply
    192,345.72x = 288,518.58 × 52,104.30
  4. Step 4: Simplify right side
    192,345.72x = 15,033,058,647.89
  5. Step 5: Solve for x
    x = 15,033,058,647.89/192,345.72
  6. Step 6: Final answer
    x = 78,156.45

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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.