Home / 153,219.06-229,834.67-53,389.40

Finding the Fourth Proportional to 153,219.06, 229,834.67 and 53,389.40

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Solution

The fourth proportional to 153,219.06, 229,834.67 and 53,389.40 is: 80,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,219.06 : 229,834.67 = 53,389.40 : x
  2. Step 2: Convert to fraction form
    153,219.06/229,834.67 = 53,389.40/x
  3. Step 3: Cross multiply
    153,219.06x = 229,834.67 × 53,389.40
  4. Step 4: Simplify right side
    153,219.06x = 12,270,733,714.38
  5. Step 5: Solve for x
    x = 12,270,733,714.38/153,219.06
  6. Step 6: Final answer
    x = 80,086.21

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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.