Home / 113,935.41-157,274.46-101,977.38

Finding the Fourth Proportional to 113,935.41, 157,274.46 and 101,977.38

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Solution

The fourth proportional to 113,935.41, 157,274.46 and 101,977.38 is: 140,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,935.41 : 157,274.46 = 101,977.38 : x
  2. Step 2: Convert to fraction form
    113,935.41/157,274.46 = 101,977.38/x
  3. Step 3: Cross multiply
    113,935.41x = 157,274.46 × 101,977.38
  4. Step 4: Simplify right side
    113,935.41x = 16,038,437,371.71
  5. Step 5: Solve for x
    x = 16,038,437,371.71/113,935.41
  6. Step 6: Final answer
    x = 140,767.80

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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.