Home / 156,582.81-216,084.24-84,962.84

Finding the Fourth Proportional to 156,582.81, 216,084.24 and 84,962.84

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Solution

The fourth proportional to 156,582.81, 216,084.24 and 84,962.84 is: 117,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,582.81 : 216,084.24 = 84,962.84 : x
  2. Step 2: Convert to fraction form
    156,582.81/216,084.24 = 84,962.84/x
  3. Step 3: Cross multiply
    156,582.81x = 216,084.24 × 84,962.84
  4. Step 4: Simplify right side
    156,582.81x = 18,359,129,629.22
  5. Step 5: Solve for x
    x = 18,359,129,629.22/156,582.81
  6. Step 6: Final answer
    x = 117,248.69

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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.