Home / 134,852.79-186,093.21-74,422.33

Finding the Fourth Proportional to 134,852.79, 186,093.21 and 74,422.33

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Solution

The fourth proportional to 134,852.79, 186,093.21 and 74,422.33 is: 102,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,852.79 : 186,093.21 = 74,422.33 : x
  2. Step 2: Convert to fraction form
    134,852.79/186,093.21 = 74,422.33/x
  3. Step 3: Cross multiply
    134,852.79x = 186,093.21 × 74,422.33
  4. Step 4: Simplify right side
    134,852.79x = 13,849,490,285.38
  5. Step 5: Solve for x
    x = 13,849,490,285.38/134,852.79
  6. Step 6: Final answer
    x = 102,700.81

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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.