Home / 152,903.22-211,011.36-84,921.01

Finding the Fourth Proportional to 152,903.22, 211,011.36 and 84,921.01

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Solution

The fourth proportional to 152,903.22, 211,011.36 and 84,921.01 is: 117,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,903.22 : 211,011.36 = 84,921.01 : x
  2. Step 2: Convert to fraction form
    152,903.22/211,011.36 = 84,921.01/x
  3. Step 3: Cross multiply
    152,903.22x = 211,011.36 × 84,921.01
  4. Step 4: Simplify right side
    152,903.22x = 17,919,296,929.31
  5. Step 5: Solve for x
    x = 17,919,296,929.31/152,903.22
  6. Step 6: Final answer
    x = 117,193.72

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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.