Home / 371,284.40-556,926.60-121,966.40

Finding the Fourth Proportional to 371,284.40, 556,926.60 and 121,966.40

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Solution

The fourth proportional to 371,284.40, 556,926.60 and 121,966.40 is: 182,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,284.40 : 556,926.60 = 121,966.40 : x
  2. Step 2: Convert to fraction form
    371,284.40/556,926.60 = 121,966.40/x
  3. Step 3: Cross multiply
    371,284.40x = 556,926.60 × 121,966.40
  4. Step 4: Simplify right side
    371,284.40x = 67,926,332,466.24
  5. Step 5: Solve for x
    x = 67,926,332,466.24/371,284.40
  6. Step 6: Final answer
    x = 182,949.60

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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.