Home / 178,018.50-245,693.01-101,537.76

Finding the Fourth Proportional to 178,018.50, 245,693.01 and 101,537.76

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Solution

The fourth proportional to 178,018.50, 245,693.01 and 101,537.76 is: 140,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,018.50 : 245,693.01 = 101,537.76 : x
  2. Step 2: Convert to fraction form
    178,018.50/245,693.01 = 101,537.76/x
  3. Step 3: Cross multiply
    178,018.50x = 245,693.01 × 101,537.76
  4. Step 4: Simplify right side
    178,018.50x = 24,947,117,883.06
  5. Step 5: Solve for x
    x = 24,947,117,883.06/178,018.50
  6. Step 6: Final answer
    x = 140,137.78

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1.5x scale

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.