Home / 152,981.93-229,454.64-40,670.37

Finding the Fourth Proportional to 152,981.93, 229,454.64 and 40,670.37

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Solution

The fourth proportional to 152,981.93, 229,454.64 and 40,670.37 is: 61,000.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,981.93 : 229,454.64 = 40,670.37 : x
  2. Step 2: Convert to fraction form
    152,981.93/229,454.64 = 40,670.37/x
  3. Step 3: Cross multiply
    152,981.93x = 229,454.64 × 40,670.37
  4. Step 4: Simplify right side
    152,981.93x = 9,332,005,107.02
  5. Step 5: Solve for x
    x = 9,332,005,107.02/152,981.93
  6. Step 6: Final answer
    x = 61,000.70

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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.