Home / 130,922.67-180,673.41-74,334.05

Finding the Fourth Proportional to 130,922.67, 180,673.41 and 74,334.05

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Solution

The fourth proportional to 130,922.67, 180,673.41 and 74,334.05 is: 102,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,922.67 : 180,673.41 = 74,334.05 : x
  2. Step 2: Convert to fraction form
    130,922.67/180,673.41 = 74,334.05/x
  3. Step 3: Cross multiply
    130,922.67x = 180,673.41 × 74,334.05
  4. Step 4: Simplify right side
    130,922.67x = 13,430,185,389.24
  5. Step 5: Solve for x
    x = 13,430,185,389.24/130,922.67
  6. Step 6: Final answer
    x = 102,581.05

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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.