Home / 357,263.39-536,000.36-143,921.52

Finding the Fourth Proportional to 357,263.39, 536,000.36 and 143,921.52

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Solution

The fourth proportional to 357,263.39, 536,000.36 and 143,921.52 is: 215,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,263.39 : 536,000.36 = 143,921.52 : x
  2. Step 2: Convert to fraction form
    357,263.39/536,000.36 = 143,921.52/x
  3. Step 3: Cross multiply
    357,263.39x = 536,000.36 × 143,921.52
  4. Step 4: Simplify right side
    357,263.39x = 77,141,985,812.14
  5. Step 5: Solve for x
    x = 77,141,985,812.14/357,263.39
  6. Step 6: Final answer
    x = 215,924.69

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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.