Home / 338,926.44-507,770-158,681.20

Finding the Fourth Proportional to 338,926.44, 507,770 and 158,681.20

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Solution

The fourth proportional to 338,926.44, 507,770 and 158,681.20 is: 237,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,926.44 : 507,770 = 158,681.20 : x
  2. Step 2: Convert to fraction form
    338,926.44/507,770 = 158,681.20/x
  3. Step 3: Cross multiply
    338,926.44x = 507,770 × 158,681.20
  4. Step 4: Simplify right side
    338,926.44x = 80,573,552,924
  5. Step 5: Solve for x
    x = 80,573,552,924/338,926.44
  6. Step 6: Final answer
    x = 237,731.68

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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.