Home / 145,460.80-218,094-117,415.36

Finding the Fourth Proportional to 145,460.80, 218,094 and 117,415.36

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Solution

The fourth proportional to 145,460.80, 218,094 and 117,415.36 is: 176,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,460.80 : 218,094 = 117,415.36 : x
  2. Step 2: Convert to fraction form
    145,460.80/218,094 = 117,415.36/x
  3. Step 3: Cross multiply
    145,460.80x = 218,094 × 117,415.36
  4. Step 4: Simplify right side
    145,460.80x = 25,607,585,523.84
  5. Step 5: Solve for x
    x = 25,607,585,523.84/145,460.80
  6. Step 6: Final answer
    x = 176,044.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.