Home / 118,257.12-177,438.51-64,238.22

Finding the Fourth Proportional to 118,257.12, 177,438.51 and 64,238.22

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Solution

The fourth proportional to 118,257.12, 177,438.51 and 64,238.22 is: 96,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,257.12 : 177,438.51 = 64,238.22 : x
  2. Step 2: Convert to fraction form
    118,257.12/177,438.51 = 64,238.22/x
  3. Step 3: Cross multiply
    118,257.12x = 177,438.51 × 64,238.22
  4. Step 4: Simplify right side
    118,257.12x = 11,398,334,041.85
  5. Step 5: Solve for x
    x = 11,398,334,041.85/118,257.12
  6. Step 6: Final answer
    x = 96,386.03

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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.