Home / 186,417.86-257,408.55-151,968.15

Finding the Fourth Proportional to 186,417.86, 257,408.55 and 151,968.15

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Solution

The fourth proportional to 186,417.86, 257,408.55 and 151,968.15 is: 209,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,417.86 : 257,408.55 = 151,968.15 : x
  2. Step 2: Convert to fraction form
    186,417.86/257,408.55 = 151,968.15/x
  3. Step 3: Cross multiply
    186,417.86x = 257,408.55 × 151,968.15
  4. Step 4: Simplify right side
    186,417.86x = 39,117,901,137.68
  5. Step 5: Solve for x
    x = 39,117,901,137.68/186,417.86
  6. Step 6: Final answer
    x = 209,839.88

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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.