Home / 369,089.20-553,633.80-236,119.60

Finding the Fourth Proportional to 369,089.20, 553,633.80 and 236,119.60

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Solution

The fourth proportional to 369,089.20, 553,633.80 and 236,119.60 is: 354,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,089.20 : 553,633.80 = 236,119.60 : x
  2. Step 2: Convert to fraction form
    369,089.20/553,633.80 = 236,119.60/x
  3. Step 3: Cross multiply
    369,089.20x = 553,633.80 × 236,119.60
  4. Step 4: Simplify right side
    369,089.20x = 130,723,791,402.48
  5. Step 5: Solve for x
    x = 130,723,791,402.48/369,089.20
  6. Step 6: Final answer
    x = 354,179.40

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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.