Home / 152,448.21-210,386.43-92,018.03

Finding the Fourth Proportional to 152,448.21, 210,386.43 and 92,018.03

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Solution

The fourth proportional to 152,448.21, 210,386.43 and 92,018.03 is: 126,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,448.21 : 210,386.43 = 92,018.03 : x
  2. Step 2: Convert to fraction form
    152,448.21/210,386.43 = 92,018.03/x
  3. Step 3: Cross multiply
    152,448.21x = 210,386.43 × 92,018.03
  4. Step 4: Simplify right side
    152,448.21x = 19,359,343,775.40
  5. Step 5: Solve for x
    x = 19,359,343,775.40/152,448.21
  6. Step 6: Final answer
    x = 126,989.64

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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.