Home / 135,509.48-203,333.61-64,512.44

Finding the Fourth Proportional to 135,509.48, 203,333.61 and 64,512.44

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Solution

The fourth proportional to 135,509.48, 203,333.61 and 64,512.44 is: 96,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,509.48 : 203,333.61 = 64,512.44 : x
  2. Step 2: Convert to fraction form
    135,509.48/203,333.61 = 64,512.44/x
  3. Step 3: Cross multiply
    135,509.48x = 203,333.61 × 64,512.44
  4. Step 4: Simplify right side
    135,509.48x = 13,117,547,315.11
  5. Step 5: Solve for x
    x = 13,117,547,315.11/135,509.48
  6. Step 6: Final answer
    x = 96,801.69

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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.