Home / 157,131.21-235,595.39-67,232.59

Finding the Fourth Proportional to 157,131.21, 235,595.39 and 67,232.59

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Solution

The fourth proportional to 157,131.21, 235,595.39 and 67,232.59 is: 100,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,131.21 : 235,595.39 = 67,232.59 : x
  2. Step 2: Convert to fraction form
    157,131.21/235,595.39 = 67,232.59/x
  3. Step 3: Cross multiply
    157,131.21x = 235,595.39 × 67,232.59
  4. Step 4: Simplify right side
    157,131.21x = 15,839,688,261.76
  5. Step 5: Solve for x
    x = 15,839,688,261.76/157,131.21
  6. Step 6: Final answer
    x = 100,805.49

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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.