Home / 132,746.12-183,188.22-76,166.36

Finding the Fourth Proportional to 132,746.12, 183,188.22 and 76,166.36

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Solution

The fourth proportional to 132,746.12, 183,188.22 and 76,166.36 is: 105,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,746.12 : 183,188.22 = 76,166.36 : x
  2. Step 2: Convert to fraction form
    132,746.12/183,188.22 = 76,166.36/x
  3. Step 3: Cross multiply
    132,746.12x = 183,188.22 × 76,166.36
  4. Step 4: Simplify right side
    132,746.12x = 13,952,779,912.28
  5. Step 5: Solve for x
    x = 13,952,779,912.28/132,746.12
  6. Step 6: Final answer
    x = 105,108.76

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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.