Home / 217,176.23-299,601.81-136,648.14

Finding the Fourth Proportional to 217,176.23, 299,601.81 and 136,648.14

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Solution

The fourth proportional to 217,176.23, 299,601.81 and 136,648.14 is: 188,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,176.23 : 299,601.81 = 136,648.14 : x
  2. Step 2: Convert to fraction form
    217,176.23/299,601.81 = 136,648.14/x
  3. Step 3: Cross multiply
    217,176.23x = 299,601.81 × 136,648.14
  4. Step 4: Simplify right side
    217,176.23x = 40,940,030,077.13
  5. Step 5: Solve for x
    x = 40,940,030,077.13/217,176.23
  6. Step 6: Final answer
    x = 188,510.64

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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.