Home / 186,018.36-256,249.64-134,880.80

Finding the Fourth Proportional to 186,018.36, 256,249.64 and 134,880.80

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Solution

The fourth proportional to 186,018.36, 256,249.64 and 134,880.80 is: 185,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,018.36 : 256,249.64 = 134,880.80 : x
  2. Step 2: Convert to fraction form
    186,018.36/256,249.64 = 134,880.80/x
  3. Step 3: Cross multiply
    186,018.36x = 256,249.64 × 134,880.80
  4. Step 4: Simplify right side
    186,018.36x = 34,563,156,442.91
  5. Step 5: Solve for x
    x = 34,563,156,442.91/186,018.36
  6. Step 6: Final answer
    x = 185,805.08

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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.