Home / 355,685.12-533,677.44-155,902.40

Finding the Fourth Proportional to 355,685.12, 533,677.44 and 155,902.40

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Solution

The fourth proportional to 355,685.12, 533,677.44 and 155,902.40 is: 233,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,685.12 : 533,677.44 = 155,902.40 : x
  2. Step 2: Convert to fraction form
    355,685.12/533,677.44 = 155,902.40/x
  3. Step 3: Cross multiply
    355,685.12x = 533,677.44 × 155,902.40
  4. Step 4: Simplify right side
    355,685.12x = 83,201,593,721.86
  5. Step 5: Solve for x
    x = 83,201,593,721.86/355,685.12
  6. Step 6: Final answer
    x = 233,919.24

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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.