Home / 342,848.12-473,074.16-215,433.50

Finding the Fourth Proportional to 342,848.12, 473,074.16 and 215,433.50

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Solution

The fourth proportional to 342,848.12, 473,074.16 and 215,433.50 is: 297,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,848.12 : 473,074.16 = 215,433.50 : x
  2. Step 2: Convert to fraction form
    342,848.12/473,074.16 = 215,433.50/x
  3. Step 3: Cross multiply
    342,848.12x = 473,074.16 × 215,433.50
  4. Step 4: Simplify right side
    342,848.12x = 101,916,022,048.36
  5. Step 5: Solve for x
    x = 101,916,022,048.36/342,848.12
  6. Step 6: Final answer
    x = 297,262.89

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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.