Home / 159,541.95-239,368.06-70,857.59

Finding the Fourth Proportional to 159,541.95, 239,368.06 and 70,857.59

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Solution

The fourth proportional to 159,541.95, 239,368.06 and 70,857.59 is: 106,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,541.95 : 239,368.06 = 70,857.59 : x
  2. Step 2: Convert to fraction form
    159,541.95/239,368.06 = 70,857.59/x
  3. Step 3: Cross multiply
    159,541.95x = 239,368.06 × 70,857.59
  4. Step 4: Simplify right side
    159,541.95x = 16,961,042,746.31
  5. Step 5: Solve for x
    x = 16,961,042,746.31/159,541.95
  6. Step 6: Final answer
    x = 106,310.86

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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.