Home / 215,532.48-297,444.02-120,039.18

Finding the Fourth Proportional to 215,532.48, 297,444.02 and 120,039.18

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Solution

The fourth proportional to 215,532.48, 297,444.02 and 120,039.18 is: 165,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,532.48 : 297,444.02 = 120,039.18 : x
  2. Step 2: Convert to fraction form
    215,532.48/297,444.02 = 120,039.18/x
  3. Step 3: Cross multiply
    215,532.48x = 297,444.02 × 120,039.18
  4. Step 4: Simplify right side
    215,532.48x = 35,704,936,256.70
  5. Step 5: Solve for x
    x = 35,704,936,256.70/215,532.48
  6. Step 6: Final answer
    x = 165,659.19

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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.