Home / 154,962.60-213,950.66-119,087.40

Finding the Fourth Proportional to 154,962.60, 213,950.66 and 119,087.40

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Solution

The fourth proportional to 154,962.60, 213,950.66 and 119,087.40 is: 164,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,962.60 : 213,950.66 = 119,087.40 : x
  2. Step 2: Convert to fraction form
    154,962.60/213,950.66 = 119,087.40/x
  3. Step 3: Cross multiply
    154,962.60x = 213,950.66 × 119,087.40
  4. Step 4: Simplify right side
    154,962.60x = 25,478,827,827.68
  5. Step 5: Solve for x
    x = 25,478,827,827.68/154,962.60
  6. Step 6: Final answer
    x = 164,419.21

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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.