Home / 338,415.04-507,637.62-188,541.76

Finding the Fourth Proportional to 338,415.04, 507,637.62 and 188,541.76

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Solution

The fourth proportional to 338,415.04, 507,637.62 and 188,541.76 is: 282,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,415.04 : 507,637.62 = 188,541.76 : x
  2. Step 2: Convert to fraction form
    338,415.04/507,637.62 = 188,541.76/x
  3. Step 3: Cross multiply
    338,415.04x = 507,637.62 × 188,541.76
  4. Step 4: Simplify right side
    338,415.04x = 95,710,890,317.01
  5. Step 5: Solve for x
    x = 95,710,890,317.01/338,415.04
  6. Step 6: Final answer
    x = 282,821.03

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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.