Home / 217,176.16-299,702.90-121,683.54

Finding the Fourth Proportional to 217,176.16, 299,702.90 and 121,683.54

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Solution

The fourth proportional to 217,176.16, 299,702.90 and 121,683.54 is: 167,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,176.16 : 299,702.90 = 121,683.54 : x
  2. Step 2: Convert to fraction form
    217,176.16/299,702.90 = 121,683.54/x
  3. Step 3: Cross multiply
    217,176.16x = 299,702.90 × 121,683.54
  4. Step 4: Simplify right side
    217,176.16x = 36,468,908,087.96
  5. Step 5: Solve for x
    x = 36,468,908,087.96/217,176.16
  6. Step 6: Final answer
    x = 167,923.17

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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.