Home / 353,024.32-487,176.80-191,879.74

Finding the Fourth Proportional to 353,024.32, 487,176.80 and 191,879.74

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Solution

The fourth proportional to 353,024.32, 487,176.80 and 191,879.74 is: 264,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,024.32 : 487,176.80 = 191,879.74 : x
  2. Step 2: Convert to fraction form
    353,024.32/487,176.80 = 191,879.74/x
  3. Step 3: Cross multiply
    353,024.32x = 487,176.80 × 191,879.74
  4. Step 4: Simplify right side
    353,024.32x = 93,479,357,718.03
  5. Step 5: Solve for x
    x = 93,479,357,718.03/353,024.32
  6. Step 6: Final answer
    x = 264,795.80

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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.