Home / 302,448.73-453,368.13-190,209.16

Finding the Fourth Proportional to 302,448.73, 453,368.13 and 190,209.16

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Solution

The fourth proportional to 302,448.73, 453,368.13 and 190,209.16 is: 285,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,448.73 : 453,368.13 = 190,209.16 : x
  2. Step 2: Convert to fraction form
    302,448.73/453,368.13 = 190,209.16/x
  3. Step 3: Cross multiply
    302,448.73x = 453,368.13 × 190,209.16
  4. Step 4: Simplify right side
    302,448.73x = 86,234,771,178.07
  5. Step 5: Solve for x
    x = 86,234,771,178.07/302,448.73
  6. Step 6: Final answer
    x = 285,121.95

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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.