Home / 217,345.50-299,590.36-171,330.16

Finding the Fourth Proportional to 217,345.50, 299,590.36 and 171,330.16

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Solution

The fourth proportional to 217,345.50, 299,590.36 and 171,330.16 is: 236,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,345.50 : 299,590.36 = 171,330.16 : x
  2. Step 2: Convert to fraction form
    217,345.50/299,590.36 = 171,330.16/x
  3. Step 3: Cross multiply
    217,345.50x = 299,590.36 × 171,330.16
  4. Step 4: Simplify right side
    217,345.50x = 51,328,864,313.26
  5. Step 5: Solve for x
    x = 51,328,864,313.26/217,345.50
  6. Step 6: Final answer
    x = 236,162.54

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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.