Home / 130,922.25-180,673.92-74,334.84

Finding the Fourth Proportional to 130,922.25, 180,673.92 and 74,334.84

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Solution

The fourth proportional to 130,922.25, 180,673.92 and 74,334.84 is: 102,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,922.25 : 180,673.92 = 74,334.84 : x
  2. Step 2: Convert to fraction form
    130,922.25/180,673.92 = 74,334.84/x
  3. Step 3: Cross multiply
    130,922.25x = 180,673.92 × 74,334.84
  4. Step 4: Simplify right side
    130,922.25x = 13,430,366,935.37
  5. Step 5: Solve for x
    x = 13,430,366,935.37/130,922.25
  6. Step 6: Final answer
    x = 102,582.77

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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.