Home / 159,041.72-238,601.64-79,117.40

Finding the Fourth Proportional to 159,041.72, 238,601.64 and 79,117.40

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Solution

The fourth proportional to 159,041.72, 238,601.64 and 79,117.40 is: 118,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,041.72 : 238,601.64 = 79,117.40 : x
  2. Step 2: Convert to fraction form
    159,041.72/238,601.64 = 79,117.40/x
  3. Step 3: Cross multiply
    159,041.72x = 238,601.64 × 79,117.40
  4. Step 4: Simplify right side
    159,041.72x = 18,877,541,392.54
  5. Step 5: Solve for x
    x = 18,877,541,392.54/159,041.72
  6. Step 6: Final answer
    x = 118,695.53

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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.