Home / 145,054.32-200,123.64-94,782.48

Finding the Fourth Proportional to 145,054.32, 200,123.64 and 94,782.48

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Solution

The fourth proportional to 145,054.32, 200,123.64 and 94,782.48 is: 130,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,054.32 : 200,123.64 = 94,782.48 : x
  2. Step 2: Convert to fraction form
    145,054.32/200,123.64 = 94,782.48/x
  3. Step 3: Cross multiply
    145,054.32x = 200,123.64 × 94,782.48
  4. Step 4: Simplify right side
    145,054.32x = 18,968,214,905.83
  5. Step 5: Solve for x
    x = 18,968,214,905.83/145,054.32
  6. Step 6: Final answer
    x = 130,766.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.