Home / 263,536.89-363,681.05-142,678.20

Finding the Fourth Proportional to 263,536.89, 363,681.05 and 142,678.20

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Solution

The fourth proportional to 263,536.89, 363,681.05 and 142,678.20 is: 196,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,536.89 : 363,681.05 = 142,678.20 : x
  2. Step 2: Convert to fraction form
    263,536.89/363,681.05 = 142,678.20/x
  3. Step 3: Cross multiply
    263,536.89x = 363,681.05 × 142,678.20
  4. Step 4: Simplify right side
    263,536.89x = 51,889,357,588.11
  5. Step 5: Solve for x
    x = 51,889,357,588.11/263,536.89
  6. Step 6: Final answer
    x = 196,895.99

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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.