Home / 157,364.39-235,878.50-89,750.85

Finding the Fourth Proportional to 157,364.39, 235,878.50 and 89,750.85

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Solution

The fourth proportional to 157,364.39, 235,878.50 and 89,750.85 is: 134,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,364.39 : 235,878.50 = 89,750.85 : x
  2. Step 2: Convert to fraction form
    157,364.39/235,878.50 = 89,750.85/x
  3. Step 3: Cross multiply
    157,364.39x = 235,878.50 × 89,750.85
  4. Step 4: Simplify right side
    157,364.39x = 21,170,295,871.73
  5. Step 5: Solve for x
    x = 21,170,295,871.73/157,364.39
  6. Step 6: Final answer
    x = 134,530.41

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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.