Home / 154,140.52-231,210.76-43,332.52

Finding the Fourth Proportional to 154,140.52, 231,210.76 and 43,332.52

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Solution

The fourth proportional to 154,140.52, 231,210.76 and 43,332.52 is: 64,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,140.52 : 231,210.76 = 43,332.52 : x
  2. Step 2: Convert to fraction form
    154,140.52/231,210.76 = 43,332.52/x
  3. Step 3: Cross multiply
    154,140.52x = 231,210.76 × 43,332.52
  4. Step 4: Simplify right side
    154,140.52x = 10,018,944,881.92
  5. Step 5: Solve for x
    x = 10,018,944,881.92/154,140.52
  6. Step 6: Final answer
    x = 64,998.77

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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.