Home / 127,413.01-191,120.68-38,666.51

Finding the Fourth Proportional to 127,413.01, 191,120.68 and 38,666.51

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Solution

The fourth proportional to 127,413.01, 191,120.68 and 38,666.51 is: 58,000.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,413.01 : 191,120.68 = 38,666.51 : x
  2. Step 2: Convert to fraction form
    127,413.01/191,120.68 = 38,666.51/x
  3. Step 3: Cross multiply
    127,413.01x = 191,120.68 × 38,666.51
  4. Step 4: Simplify right side
    127,413.01x = 7,389,970,405.79
  5. Step 5: Solve for x
    x = 7,389,970,405.79/127,413.01
  6. Step 6: Final answer
    x = 58,000.12

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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.