Home / 120,077.56-165,515.52-94,543.48

Finding the Fourth Proportional to 120,077.56, 165,515.52 and 94,543.48

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Solution

The fourth proportional to 120,077.56, 165,515.52 and 94,543.48 is: 130,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077.56 : 165,515.52 = 94,543.48 : x
  2. Step 2: Convert to fraction form
    120,077.56/165,515.52 = 94,543.48/x
  3. Step 3: Cross multiply
    120,077.56x = 165,515.52 × 94,543.48
  4. Step 4: Simplify right side
    120,077.56x = 15,648,413,254.81
  5. Step 5: Solve for x
    x = 15,648,413,254.81/120,077.56
  6. Step 6: Final answer
    x = 130,319.21

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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.