Home / 190,594.36-285,530.68-127,223.40

Finding the Fourth Proportional to 190,594.36, 285,530.68 and 127,223.40

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Solution

The fourth proportional to 190,594.36, 285,530.68 and 127,223.40 is: 190,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,594.36 : 285,530.68 = 127,223.40 : x
  2. Step 2: Convert to fraction form
    190,594.36/285,530.68 = 127,223.40/x
  3. Step 3: Cross multiply
    190,594.36x = 285,530.68 × 127,223.40
  4. Step 4: Simplify right side
    190,594.36x = 36,326,183,913.91
  5. Step 5: Solve for x
    x = 36,326,183,913.91/190,594.36
  6. Step 6: Final answer
    x = 190,594.23

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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.