Home / 127,109.28-175,413.84-70,524.36

Finding the Fourth Proportional to 127,109.28, 175,413.84 and 70,524.36

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Solution

The fourth proportional to 127,109.28, 175,413.84 and 70,524.36 is: 97,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.28 : 175,413.84 = 70,524.36 : x
  2. Step 2: Convert to fraction form
    127,109.28/175,413.84 = 70,524.36/x
  3. Step 3: Cross multiply
    127,109.28x = 175,413.84 × 70,524.36
  4. Step 4: Simplify right side
    127,109.28x = 12,370,948,801.14
  5. Step 5: Solve for x
    x = 12,370,948,801.14/127,109.28
  6. Step 6: Final answer
    x = 97,325.30

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1.5x scale

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.