Home / 113,853.78-157,131.55-94,699.76

Finding the Fourth Proportional to 113,853.78, 157,131.55 and 94,699.76

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Solution

The fourth proportional to 113,853.78, 157,131.55 and 94,699.76 is: 130,696.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,853.78 : 157,131.55 = 94,699.76 : x
  2. Step 2: Convert to fraction form
    113,853.78/157,131.55 = 94,699.76/x
  3. Step 3: Cross multiply
    113,853.78x = 157,131.55 × 94,699.76
  4. Step 4: Simplify right side
    113,853.78x = 14,880,320,051.95
  5. Step 5: Solve for x
    x = 14,880,320,051.95/113,853.78
  6. Step 6: Final answer
    x = 130,696.76

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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.