Home / 235,829.15-325,427.80-133,856.69

Finding the Fourth Proportional to 235,829.15, 325,427.80 and 133,856.69

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Solution

The fourth proportional to 235,829.15, 325,427.80 and 133,856.69 is: 184,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,829.15 : 325,427.80 = 133,856.69 : x
  2. Step 2: Convert to fraction form
    235,829.15/325,427.80 = 133,856.69/x
  3. Step 3: Cross multiply
    235,829.15x = 325,427.80 × 133,856.69
  4. Step 4: Simplify right side
    235,829.15x = 43,560,688,141.98
  5. Step 5: Solve for x
    x = 43,560,688,141.98/235,829.15
  6. Step 6: Final answer
    x = 184,712.91

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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.