Home / 116,712.60-160,869.76-82,677.40

Finding the Fourth Proportional to 116,712.60, 160,869.76 and 82,677.40

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Solution

The fourth proportional to 116,712.60, 160,869.76 and 82,677.40 is: 113,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,712.60 : 160,869.76 = 82,677.40 : x
  2. Step 2: Convert to fraction form
    116,712.60/160,869.76 = 82,677.40/x
  3. Step 3: Cross multiply
    116,712.60x = 160,869.76 × 82,677.40
  4. Step 4: Simplify right side
    116,712.60x = 13,300,293,495.42
  5. Step 5: Solve for x
    x = 13,300,293,495.42/116,712.60
  6. Step 6: Final answer
    x = 113,957.65

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1.5x scale

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.