Home / 177,584.40-245,009.61-126,605.43

Finding the Fourth Proportional to 177,584.40, 245,009.61 and 126,605.43

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Solution

The fourth proportional to 177,584.40, 245,009.61 and 126,605.43 is: 174,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,584.40 : 245,009.61 = 126,605.43 : x
  2. Step 2: Convert to fraction form
    177,584.40/245,009.61 = 126,605.43/x
  3. Step 3: Cross multiply
    177,584.40x = 245,009.61 × 126,605.43
  4. Step 4: Simplify right side
    177,584.40x = 31,019,547,028.18
  5. Step 5: Solve for x
    x = 31,019,547,028.18/177,584.40
  6. Step 6: Final answer
    x = 174,674.95

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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.