Home / 153,973.40-210,940.04-148,216.72

Finding the Fourth Proportional to 153,973.40, 210,940.04 and 148,216.72

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Solution

The fourth proportional to 153,973.40, 210,940.04 and 148,216.72 is: 203,053.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,973.40 : 210,940.04 = 148,216.72 : x
  2. Step 2: Convert to fraction form
    153,973.40/210,940.04 = 148,216.72/x
  3. Step 3: Cross multiply
    153,973.40x = 210,940.04 × 148,216.72
  4. Step 4: Simplify right side
    153,973.40x = 31,264,839,049.69
  5. Step 5: Solve for x
    x = 31,264,839,049.69/153,973.40
  6. Step 6: Final answer
    x = 203,053.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.