Home / 120,160.41-180,293.31-57,026.13

Finding the Fourth Proportional to 120,160.41, 180,293.31 and 57,026.13

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Solution

The fourth proportional to 120,160.41, 180,293.31 and 57,026.13 is: 85,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,160.41 : 180,293.31 = 57,026.13 : x
  2. Step 2: Convert to fraction form
    120,160.41/180,293.31 = 57,026.13/x
  3. Step 3: Cross multiply
    120,160.41x = 180,293.31 × 57,026.13
  4. Step 4: Simplify right side
    120,160.41x = 10,281,429,734.19
  5. Step 5: Solve for x
    x = 10,281,429,734.19/120,160.41
  6. Step 6: Final answer
    x = 85,564.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.