Home / 152,275.80-228,413.70-105,036.60

Finding the Fourth Proportional to 152,275.80, 228,413.70 and 105,036.60

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Solution

The fourth proportional to 152,275.80, 228,413.70 and 105,036.60 is: 157,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,275.80 : 228,413.70 = 105,036.60 : x
  2. Step 2: Convert to fraction form
    152,275.80/228,413.70 = 105,036.60/x
  3. Step 3: Cross multiply
    152,275.80x = 228,413.70 × 105,036.60
  4. Step 4: Simplify right side
    152,275.80x = 23,991,798,441.42
  5. Step 5: Solve for x
    x = 23,991,798,441.42/152,275.80
  6. Step 6: Final answer
    x = 157,554.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.