Home / 121,124.16-167,159.52-67,413.60

Finding the Fourth Proportional to 121,124.16, 167,159.52 and 67,413.60

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Solution

The fourth proportional to 121,124.16, 167,159.52 and 67,413.60 is: 93,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,124.16 : 167,159.52 = 67,413.60 : x
  2. Step 2: Convert to fraction form
    121,124.16/167,159.52 = 67,413.60/x
  3. Step 3: Cross multiply
    121,124.16x = 167,159.52 × 67,413.60
  4. Step 4: Simplify right side
    121,124.16x = 11,268,825,017.47
  5. Step 5: Solve for x
    x = 11,268,825,017.47/121,124.16
  6. Step 6: Final answer
    x = 93,035.32

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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.