Home / 191,413.35-286,908.48-79,031.61

Finding the Fourth Proportional to 191,413.35, 286,908.48 and 79,031.61

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Solution

The fourth proportional to 191,413.35, 286,908.48 and 79,031.61 is: 118,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,413.35 : 286,908.48 = 79,031.61 : x
  2. Step 2: Convert to fraction form
    191,413.35/286,908.48 = 79,031.61/x
  3. Step 3: Cross multiply
    191,413.35x = 286,908.48 × 79,031.61
  4. Step 4: Simplify right side
    191,413.35x = 22,674,839,097.05
  5. Step 5: Solve for x
    x = 22,674,839,097.05/191,413.35
  6. Step 6: Final answer
    x = 118,460.07

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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.