Home / 132,782.96-183,238.11-72,354.13

Finding the Fourth Proportional to 132,782.96, 183,238.11 and 72,354.13

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Solution

The fourth proportional to 132,782.96, 183,238.11 and 72,354.13 is: 99,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,782.96 : 183,238.11 = 72,354.13 : x
  2. Step 2: Convert to fraction form
    132,782.96/183,238.11 = 72,354.13/x
  3. Step 3: Cross multiply
    132,782.96x = 183,238.11 × 72,354.13
  4. Step 4: Simplify right side
    132,782.96x = 13,258,033,573.80
  5. Step 5: Solve for x
    x = 13,258,033,573.80/132,782.96
  6. Step 6: Final answer
    x = 99,847.40

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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.