Home / 178,206.90-245,927.70-101,736.42

Finding the Fourth Proportional to 178,206.90, 245,927.70 and 101,736.42

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Solution

The fourth proportional to 178,206.90, 245,927.70 and 101,736.42 is: 140,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,206.90 : 245,927.70 = 101,736.42 : x
  2. Step 2: Convert to fraction form
    178,206.90/245,927.70 = 101,736.42/x
  3. Step 3: Cross multiply
    178,206.90x = 245,927.70 × 101,736.42
  4. Step 4: Simplify right side
    178,206.90x = 25,019,803,776.83
  5. Step 5: Solve for x
    x = 25,019,803,776.83/178,206.90
  6. Step 6: Final answer
    x = 140,397.50

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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.