Home / 132,970.36-183,497.22-76,382.20

Finding the Fourth Proportional to 132,970.36, 183,497.22 and 76,382.20

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Solution

The fourth proportional to 132,970.36, 183,497.22 and 76,382.20 is: 105,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,970.36 : 183,497.22 = 76,382.20 : x
  2. Step 2: Convert to fraction form
    132,970.36/183,497.22 = 76,382.20/x
  3. Step 3: Cross multiply
    132,970.36x = 183,497.22 × 76,382.20
  4. Step 4: Simplify right side
    132,970.36x = 14,015,921,357.48
  5. Step 5: Solve for x
    x = 14,015,921,357.48/132,970.36
  6. Step 6: Final answer
    x = 105,406.36

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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.