Home / 132,685.08-183,106.59-72,255.99

Finding the Fourth Proportional to 132,685.08, 183,106.59 and 72,255.99

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Solution

The fourth proportional to 132,685.08, 183,106.59 and 72,255.99 is: 99,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,685.08 : 183,106.59 = 72,255.99 : x
  2. Step 2: Convert to fraction form
    132,685.08/183,106.59 = 72,255.99/x
  3. Step 3: Cross multiply
    132,685.08x = 183,106.59 × 72,255.99
  4. Step 4: Simplify right side
    132,685.08x = 13,230,547,935.97
  5. Step 5: Solve for x
    x = 13,230,547,935.97/132,685.08
  6. Step 6: Final answer
    x = 99,713.91

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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.