Home / 338,582.07-507,515.04-125,212.89

Finding the Fourth Proportional to 338,582.07, 507,515.04 and 125,212.89

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Solution

The fourth proportional to 338,582.07, 507,515.04 and 125,212.89 is: 187,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,582.07 : 507,515.04 = 125,212.89 : x
  2. Step 2: Convert to fraction form
    338,582.07/507,515.04 = 125,212.89/x
  3. Step 3: Cross multiply
    338,582.07x = 507,515.04 × 125,212.89
  4. Step 4: Simplify right side
    338,582.07x = 63,547,424,876.87
  5. Step 5: Solve for x
    x = 63,547,424,876.87/338,582.07
  6. Step 6: Final answer
    x = 187,686.92

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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.