Home / 209,358.86-314,038.47-51,587.33

Finding the Fourth Proportional to 209,358.86, 314,038.47 and 51,587.33

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Solution

The fourth proportional to 209,358.86, 314,038.47 and 51,587.33 is: 77,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,358.86 : 314,038.47 = 51,587.33 : x
  2. Step 2: Convert to fraction form
    209,358.86/314,038.47 = 51,587.33/x
  3. Step 3: Cross multiply
    209,358.86x = 314,038.47 × 51,587.33
  4. Step 4: Simplify right side
    209,358.86x = 16,200,405,926.65
  5. Step 5: Solve for x
    x = 16,200,405,926.65/209,358.86
  6. Step 6: Final answer
    x = 77,381.04

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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.