Home / 202,914.99-279,831.02-151,345.85

Finding the Fourth Proportional to 202,914.99, 279,831.02 and 151,345.85

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Solution

The fourth proportional to 202,914.99, 279,831.02 and 151,345.85 is: 208,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,914.99 : 279,831.02 = 151,345.85 : x
  2. Step 2: Convert to fraction form
    202,914.99/279,831.02 = 151,345.85/x
  3. Step 3: Cross multiply
    202,914.99x = 279,831.02 × 151,345.85
  4. Step 4: Simplify right side
    202,914.99x = 42,351,261,422.38
  5. Step 5: Solve for x
    x = 42,351,261,422.38/202,914.99
  6. Step 6: Final answer
    x = 208,714.31

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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.