Home / 185,831.16-256,464.12-105,262.08

Finding the Fourth Proportional to 185,831.16, 256,464.12 and 105,262.08

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Solution

The fourth proportional to 185,831.16, 256,464.12 and 105,262.08 is: 145,271.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,831.16 : 256,464.12 = 105,262.08 : x
  2. Step 2: Convert to fraction form
    185,831.16/256,464.12 = 105,262.08/x
  3. Step 3: Cross multiply
    185,831.16x = 256,464.12 × 105,262.08
  4. Step 4: Simplify right side
    185,831.16x = 26,995,946,716.57
  5. Step 5: Solve for x
    x = 26,995,946,716.57/185,831.16
  6. Step 6: Final answer
    x = 145,271.37

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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.