Home / 283,329.24-390,995.28-154,269.24

Finding the Fourth Proportional to 283,329.24, 390,995.28 and 154,269.24

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Solution

The fourth proportional to 283,329.24, 390,995.28 and 154,269.24 is: 212,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,329.24 : 390,995.28 = 154,269.24 : x
  2. Step 2: Convert to fraction form
    283,329.24/390,995.28 = 154,269.24/x
  3. Step 3: Cross multiply
    283,329.24x = 390,995.28 × 154,269.24
  4. Step 4: Simplify right side
    283,329.24x = 60,318,544,689.19
  5. Step 5: Solve for x
    x = 60,318,544,689.19/283,329.24
  6. Step 6: Final answer
    x = 212,892.06

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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.