Home / 153,699.19-230,564.16-47,081.91

Finding the Fourth Proportional to 153,699.19, 230,564.16 and 47,081.91

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Solution

The fourth proportional to 153,699.19, 230,564.16 and 47,081.91 is: 70,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,699.19 : 230,564.16 = 47,081.91 : x
  2. Step 2: Convert to fraction form
    153,699.19/230,564.16 = 47,081.91/x
  3. Step 3: Cross multiply
    153,699.19x = 230,564.16 × 47,081.91
  4. Step 4: Simplify right side
    153,699.19x = 10,855,400,853.79
  5. Step 5: Solve for x
    x = 10,855,400,853.79/153,699.19
  6. Step 6: Final answer
    x = 70,627.57

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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.