Home / 338,392.23-507,569.65-113,729.46

Finding the Fourth Proportional to 338,392.23, 507,569.65 and 113,729.46

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Solution

The fourth proportional to 338,392.23, 507,569.65 and 113,729.46 is: 170,587.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,392.23 : 507,569.65 = 113,729.46 : x
  2. Step 2: Convert to fraction form
    338,392.23/507,569.65 = 113,729.46/x
  3. Step 3: Cross multiply
    338,392.23x = 507,569.65 × 113,729.46
  4. Step 4: Simplify right side
    338,392.23x = 57,725,622,206.89
  5. Step 5: Solve for x
    x = 57,725,622,206.89/338,392.23
  6. Step 6: Final answer
    x = 170,587.91

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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.