Home / 121,746.58-182,614.68-118,895.62

Finding the Fourth Proportional to 121,746.58, 182,614.68 and 118,895.62

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Solution

The fourth proportional to 121,746.58, 182,614.68 and 118,895.62 is: 178,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,746.58 : 182,614.68 = 118,895.62 : x
  2. Step 2: Convert to fraction form
    121,746.58/182,614.68 = 118,895.62/x
  3. Step 3: Cross multiply
    121,746.58x = 182,614.68 × 118,895.62
  4. Step 4: Simplify right side
    121,746.58x = 21,712,086,687.62
  5. Step 5: Solve for x
    x = 21,712,086,687.62/121,746.58
  6. Step 6: Final answer
    x = 178,338.36

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1.5x scale

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.