Home / 132,660.69-183,075.02-72,234.65

Finding the Fourth Proportional to 132,660.69, 183,075.02 and 72,234.65

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Solution

The fourth proportional to 132,660.69, 183,075.02 and 72,234.65 is: 99,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,660.69 : 183,075.02 = 72,234.65 : x
  2. Step 2: Convert to fraction form
    132,660.69/183,075.02 = 72,234.65/x
  3. Step 3: Cross multiply
    132,660.69x = 183,075.02 × 72,234.65
  4. Step 4: Simplify right side
    132,660.69x = 13,224,360,360.84
  5. Step 5: Solve for x
    x = 13,224,360,360.84/132,660.69
  6. Step 6: Final answer
    x = 99,685.60

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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.