Home / 127,772.51-176,327.23-70,413.89

Finding the Fourth Proportional to 127,772.51, 176,327.23 and 70,413.89

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Solution

The fourth proportional to 127,772.51, 176,327.23 and 70,413.89 is: 97,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,772.51 : 176,327.23 = 70,413.89 : x
  2. Step 2: Convert to fraction form
    127,772.51/176,327.23 = 70,413.89/x
  3. Step 3: Cross multiply
    127,772.51x = 176,327.23 × 70,413.89
  4. Step 4: Simplify right side
    127,772.51x = 12,415,886,001.19
  5. Step 5: Solve for x
    x = 12,415,886,001.19/127,772.51
  6. Step 6: Final answer
    x = 97,171.81

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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.