Home / 114,632.28-171,706.02-72,490.62

Finding the Fourth Proportional to 114,632.28, 171,706.02 and 72,490.62

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Solution

The fourth proportional to 114,632.28, 171,706.02 and 72,490.62 is: 108,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,632.28 : 171,706.02 = 72,490.62 : x
  2. Step 2: Convert to fraction form
    114,632.28/171,706.02 = 72,490.62/x
  3. Step 3: Cross multiply
    114,632.28x = 171,706.02 × 72,490.62
  4. Step 4: Simplify right side
    114,632.28x = 12,447,075,847.53
  5. Step 5: Solve for x
    x = 12,447,075,847.53/114,632.28
  6. Step 6: Final answer
    x = 108,582.64

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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.