Home / 152,451.99-210,413.24-87,962.93

Finding the Fourth Proportional to 152,451.99, 210,413.24 and 87,962.93

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Solution

The fourth proportional to 152,451.99, 210,413.24 and 87,962.93 is: 121,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,451.99 : 210,413.24 = 87,962.93 : x
  2. Step 2: Convert to fraction form
    152,451.99/210,413.24 = 87,962.93/x
  3. Step 3: Cross multiply
    152,451.99x = 210,413.24 × 87,962.93
  4. Step 4: Simplify right side
    152,451.99x = 18,508,563,609.31
  5. Step 5: Solve for x
    x = 18,508,563,609.31/152,451.99
  6. Step 6: Final answer
    x = 121,405.85

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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.