Home / 133,037.07-183,595.02-72,611.58

Finding the Fourth Proportional to 133,037.07, 183,595.02 and 72,611.58

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Solution

The fourth proportional to 133,037.07, 183,595.02 and 72,611.58 is: 100,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037.07 : 183,595.02 = 72,611.58 : x
  2. Step 2: Convert to fraction form
    133,037.07/183,595.02 = 72,611.58/x
  3. Step 3: Cross multiply
    133,037.07x = 183,595.02 × 72,611.58
  4. Step 4: Simplify right side
    133,037.07x = 13,331,124,482.33
  5. Step 5: Solve for x
    x = 13,331,124,482.33/133,037.07
  6. Step 6: Final answer
    x = 100,206.09

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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.