Home / 132,181.64-182,421.60-75,603.92

Finding the Fourth Proportional to 132,181.64, 182,421.60 and 75,603.92

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Solution

The fourth proportional to 132,181.64, 182,421.60 and 75,603.92 is: 104,339.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,181.64 : 182,421.60 = 75,603.92 : x
  2. Step 2: Convert to fraction form
    132,181.64/182,421.60 = 75,603.92/x
  3. Step 3: Cross multiply
    132,181.64x = 182,421.60 × 75,603.92
  4. Step 4: Simplify right side
    132,181.64x = 13,791,788,052.67
  5. Step 5: Solve for x
    x = 13,791,788,052.67/132,181.64
  6. Step 6: Final answer
    x = 104,339.67

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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.