Home / 507,389.16-761,023.26-133,441.32

Finding the Fourth Proportional to 507,389.16, 761,023.26 and 133,441.32

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Solution

The fourth proportional to 507,389.16, 761,023.26 and 133,441.32 is: 200,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,389.16 : 761,023.26 = 133,441.32 : x
  2. Step 2: Convert to fraction form
    507,389.16/761,023.26 = 133,441.32/x
  3. Step 3: Cross multiply
    507,389.16x = 761,023.26 × 133,441.32
  4. Step 4: Simplify right side
    507,389.16x = 101,551,948,365.10
  5. Step 5: Solve for x
    x = 101,551,948,365.10/507,389.16
  6. Step 6: Final answer
    x = 200,146.07

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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.