Home / 152,378.64-210,386.43-95,040.36

Finding the Fourth Proportional to 152,378.64, 210,386.43 and 95,040.36

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Solution

The fourth proportional to 152,378.64, 210,386.43 and 95,040.36 is: 131,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,378.64 : 210,386.43 = 95,040.36 : x
  2. Step 2: Convert to fraction form
    152,378.64/210,386.43 = 95,040.36/x
  3. Step 3: Cross multiply
    152,378.64x = 210,386.43 × 95,040.36
  4. Step 4: Simplify right side
    152,378.64x = 19,995,202,046.31
  5. Step 5: Solve for x
    x = 19,995,202,046.31/152,378.64
  6. Step 6: Final answer
    x = 131,220.50

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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.