Home / 183,923.02-275,653.68-78,618.16

Finding the Fourth Proportional to 183,923.02, 275,653.68 and 78,618.16

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Solution

The fourth proportional to 183,923.02, 275,653.68 and 78,618.16 is: 117,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,923.02 : 275,653.68 = 78,618.16 : x
  2. Step 2: Convert to fraction form
    183,923.02/275,653.68 = 78,618.16/x
  3. Step 3: Cross multiply
    183,923.02x = 275,653.68 × 78,618.16
  4. Step 4: Simplify right side
    183,923.02x = 21,671,385,118.83
  5. Step 5: Solve for x
    x = 21,671,385,118.83/183,923.02
  6. Step 6: Final answer
    x = 117,828.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.