Home / 325,355.04-487,938.68-112,114.24

Finding the Fourth Proportional to 325,355.04, 487,938.68 and 112,114.24

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Solution

The fourth proportional to 325,355.04, 487,938.68 and 112,114.24 is: 168,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,355.04 : 487,938.68 = 112,114.24 : x
  2. Step 2: Convert to fraction form
    325,355.04/487,938.68 = 112,114.24/x
  3. Step 3: Cross multiply
    325,355.04x = 487,938.68 × 112,114.24
  4. Step 4: Simplify right side
    325,355.04x = 54,704,874,274.80
  5. Step 5: Solve for x
    x = 54,704,874,274.80/325,355.04
  6. Step 6: Final answer
    x = 168,139.01

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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.