Home / 152,943.24-211,008.60-99,295.32

Finding the Fourth Proportional to 152,943.24, 211,008.60 and 99,295.32

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Solution

The fourth proportional to 152,943.24, 211,008.60 and 99,295.32 is: 136,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,943.24 : 211,008.60 = 99,295.32 : x
  2. Step 2: Convert to fraction form
    152,943.24/211,008.60 = 99,295.32/x
  3. Step 3: Cross multiply
    152,943.24x = 211,008.60 × 99,295.32
  4. Step 4: Simplify right side
    152,943.24x = 20,952,166,459.75
  5. Step 5: Solve for x
    x = 20,952,166,459.75/152,943.24
  6. Step 6: Final answer
    x = 136,993.09

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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.