Home / 114,810.42-172,184.40-72,627.18

Finding the Fourth Proportional to 114,810.42, 172,184.40 and 72,627.18

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Solution

The fourth proportional to 114,810.42, 172,184.40 and 72,627.18 is: 108,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,810.42 : 172,184.40 = 72,627.18 : x
  2. Step 2: Convert to fraction form
    114,810.42/172,184.40 = 72,627.18/x
  3. Step 3: Cross multiply
    114,810.42x = 172,184.40 × 72,627.18
  4. Step 4: Simplify right side
    114,810.42x = 12,505,267,411.99
  5. Step 5: Solve for x
    x = 12,505,267,411.99/114,810.42
  6. Step 6: Final answer
    x = 108,921.01

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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.