Home / 134,617.16-185,775.57-74,191.70

Finding the Fourth Proportional to 134,617.16, 185,775.57 and 74,191.70

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Solution

The fourth proportional to 134,617.16, 185,775.57 and 74,191.70 is: 102,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.16 : 185,775.57 = 74,191.70 : x
  2. Step 2: Convert to fraction form
    134,617.16/185,775.57 = 74,191.70/x
  3. Step 3: Cross multiply
    134,617.16x = 185,775.57 × 74,191.70
  4. Step 4: Simplify right side
    134,617.16x = 13,783,004,427.89
  5. Step 5: Solve for x
    x = 13,783,004,427.89/134,617.16
  6. Step 6: Final answer
    x = 102,386.69

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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.