Home / 141,216.36-194,937.48-100,946.40

Finding the Fourth Proportional to 141,216.36, 194,937.48 and 100,946.40

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Solution

The fourth proportional to 141,216.36, 194,937.48 and 100,946.40 is: 139,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.36 : 194,937.48 = 100,946.40 : x
  2. Step 2: Convert to fraction form
    141,216.36/194,937.48 = 100,946.40/x
  3. Step 3: Cross multiply
    141,216.36x = 194,937.48 × 100,946.40
  4. Step 4: Simplify right side
    141,216.36x = 19,678,236,831.07
  5. Step 5: Solve for x
    x = 19,678,236,831.07/141,216.36
  6. Step 6: Final answer
    x = 139,348.14

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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.