Home / 279,330.31-385,477.14-152,007.22

Finding the Fourth Proportional to 279,330.31, 385,477.14 and 152,007.22

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Solution

The fourth proportional to 279,330.31, 385,477.14 and 152,007.22 is: 209,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,330.31 : 385,477.14 = 152,007.22 : x
  2. Step 2: Convert to fraction form
    279,330.31/385,477.14 = 152,007.22/x
  3. Step 3: Cross multiply
    279,330.31x = 385,477.14 × 152,007.22
  4. Step 4: Simplify right side
    279,330.31x = 58,595,308,424.95
  5. Step 5: Solve for x
    x = 58,595,308,424.95/279,330.31
  6. Step 6: Final answer
    x = 209,770.68

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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.