Home / 150,848.84-208,159.26-87,190.76

Finding the Fourth Proportional to 150,848.84, 208,159.26 and 87,190.76

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Solution

The fourth proportional to 150,848.84, 208,159.26 and 87,190.76 is: 120,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,848.84 : 208,159.26 = 87,190.76 : x
  2. Step 2: Convert to fraction form
    150,848.84/208,159.26 = 87,190.76/x
  3. Step 3: Cross multiply
    150,848.84x = 208,159.26 × 87,190.76
  4. Step 4: Simplify right side
    150,848.84x = 18,149,564,080.44
  5. Step 5: Solve for x
    x = 18,149,564,080.44/150,848.84
  6. Step 6: Final answer
    x = 120,316.23

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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.