Home / 127,966.47-191,908.08-42,554.34

Finding the Fourth Proportional to 127,966.47, 191,908.08 and 42,554.34

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Solution

The fourth proportional to 127,966.47, 191,908.08 and 42,554.34 is: 63,817.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.47 : 191,908.08 = 42,554.34 : x
  2. Step 2: Convert to fraction form
    127,966.47/191,908.08 = 42,554.34/x
  3. Step 3: Cross multiply
    127,966.47x = 191,908.08 × 42,554.34
  4. Step 4: Simplify right side
    127,966.47x = 8,166,521,685.07
  5. Step 5: Solve for x
    x = 8,166,521,685.07/127,966.47
  6. Step 6: Final answer
    x = 63,817.67

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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.