Home / 308,054.24-462,097.80-97,708.40

Finding the Fourth Proportional to 308,054.24, 462,097.80 and 97,708.40

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Solution

The fourth proportional to 308,054.24, 462,097.80 and 97,708.40 is: 146,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,054.24 : 462,097.80 = 97,708.40 : x
  2. Step 2: Convert to fraction form
    308,054.24/462,097.80 = 97,708.40/x
  3. Step 3: Cross multiply
    308,054.24x = 462,097.80 × 97,708.40
  4. Step 4: Simplify right side
    308,054.24x = 45,150,836,681.52
  5. Step 5: Solve for x
    x = 45,150,836,681.52/308,054.24
  6. Step 6: Final answer
    x = 146,567.81

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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.