Home / 302,217.80-453,326.70-91,828.40

Finding the Fourth Proportional to 302,217.80, 453,326.70 and 91,828.40

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Solution

The fourth proportional to 302,217.80, 453,326.70 and 91,828.40 is: 137,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,217.80 : 453,326.70 = 91,828.40 : x
  2. Step 2: Convert to fraction form
    302,217.80/453,326.70 = 91,828.40/x
  3. Step 3: Cross multiply
    302,217.80x = 453,326.70 × 91,828.40
  4. Step 4: Simplify right side
    302,217.80x = 41,628,265,538.28
  5. Step 5: Solve for x
    x = 41,628,265,538.28/302,217.80
  6. Step 6: Final answer
    x = 137,742.60

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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.