Home / 115,271.18-159,013.76-93,784.94

Finding the Fourth Proportional to 115,271.18, 159,013.76 and 93,784.94

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Solution

The fourth proportional to 115,271.18, 159,013.76 and 93,784.94 is: 129,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.18 : 159,013.76 = 93,784.94 : x
  2. Step 2: Convert to fraction form
    115,271.18/159,013.76 = 93,784.94/x
  3. Step 3: Cross multiply
    115,271.18x = 159,013.76 × 93,784.94
  4. Step 4: Simplify right side
    115,271.18x = 14,913,095,940.77
  5. Step 5: Solve for x
    x = 14,913,095,940.77/115,271.18
  6. Step 6: Final answer
    x = 129,374.02

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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.