Home / 283,056.89-390,452.64-181,045.13

Finding the Fourth Proportional to 283,056.89, 390,452.64 and 181,045.13

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Solution

The fourth proportional to 283,056.89, 390,452.64 and 181,045.13 is: 249,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,056.89 : 390,452.64 = 181,045.13 : x
  2. Step 2: Convert to fraction form
    283,056.89/390,452.64 = 181,045.13/x
  3. Step 3: Cross multiply
    283,056.89x = 390,452.64 × 181,045.13
  4. Step 4: Simplify right side
    283,056.89x = 70,689,548,967.64
  5. Step 5: Solve for x
    x = 70,689,548,967.64/283,056.89
  6. Step 6: Final answer
    x = 249,736.19

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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.