Home / 136,526.90-188,413.58-76,097.97

Finding the Fourth Proportional to 136,526.90, 188,413.58 and 76,097.97

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Solution

The fourth proportional to 136,526.90, 188,413.58 and 76,097.97 is: 105,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,526.90 : 188,413.58 = 76,097.97 : x
  2. Step 2: Convert to fraction form
    136,526.90/188,413.58 = 76,097.97/x
  3. Step 3: Cross multiply
    136,526.90x = 188,413.58 × 76,097.97
  4. Step 4: Simplify right side
    136,526.90x = 14,337,891,148.68
  5. Step 5: Solve for x
    x = 14,337,891,148.68/136,526.90
  6. Step 6: Final answer
    x = 105,018.80

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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.