Home / 359,261.36-539,089.50-134,776.88

Finding the Fourth Proportional to 359,261.36, 539,089.50 and 134,776.88

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Solution

The fourth proportional to 359,261.36, 539,089.50 and 134,776.88 is: 202,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,261.36 : 539,089.50 = 134,776.88 : x
  2. Step 2: Convert to fraction form
    359,261.36/539,089.50 = 134,776.88/x
  3. Step 3: Cross multiply
    359,261.36x = 539,089.50 × 134,776.88
  4. Step 4: Simplify right side
    359,261.36x = 72,656,800,850.76
  5. Step 5: Solve for x
    x = 72,656,800,850.76/359,261.36
  6. Step 6: Final answer
    x = 202,239.40

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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.