Home / 131,303.12-196,980.48-47,040.57

Finding the Fourth Proportional to 131,303.12, 196,980.48 and 47,040.57

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Solution

The fourth proportional to 131,303.12, 196,980.48 and 47,040.57 is: 70,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,303.12 : 196,980.48 = 47,040.57 : x
  2. Step 2: Convert to fraction form
    131,303.12/196,980.48 = 47,040.57/x
  3. Step 3: Cross multiply
    131,303.12x = 196,980.48 × 47,040.57
  4. Step 4: Simplify right side
    131,303.12x = 9,266,074,058.07
  5. Step 5: Solve for x
    x = 9,266,074,058.07/131,303.12
  6. Step 6: Final answer
    x = 70,570.10

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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.