Home / 180,727.06-249,413.33-100,152.90

Finding the Fourth Proportional to 180,727.06, 249,413.33 and 100,152.90

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Solution

The fourth proportional to 180,727.06, 249,413.33 and 100,152.90 is: 138,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,727.06 : 249,413.33 = 100,152.90 : x
  2. Step 2: Convert to fraction form
    180,727.06/249,413.33 = 100,152.90/x
  3. Step 3: Cross multiply
    180,727.06x = 249,413.33 × 100,152.90
  4. Step 4: Simplify right side
    180,727.06x = 24,979,468,298.16
  5. Step 5: Solve for x
    x = 24,979,468,298.16/180,727.06
  6. Step 6: Final answer
    x = 138,216.54

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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.