Home / 132,852.45-183,332.10-72,422.13

Finding the Fourth Proportional to 132,852.45, 183,332.10 and 72,422.13

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Solution

The fourth proportional to 132,852.45, 183,332.10 and 72,422.13 is: 99,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,852.45 : 183,332.10 = 72,422.13 : x
  2. Step 2: Convert to fraction form
    132,852.45/183,332.10 = 72,422.13/x
  3. Step 3: Cross multiply
    132,852.45x = 183,332.10 × 72,422.13
  4. Step 4: Simplify right side
    132,852.45x = 13,277,301,179.37
  5. Step 5: Solve for x
    x = 13,277,301,179.37/132,852.45
  6. Step 6: Final answer
    x = 99,940.21

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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.