Home / 153,786.54-230,686.80-47,162.70

Finding the Fourth Proportional to 153,786.54, 230,686.80 and 47,162.70

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Solution

The fourth proportional to 153,786.54, 230,686.80 and 47,162.70 is: 70,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,786.54 : 230,686.80 = 47,162.70 : x
  2. Step 2: Convert to fraction form
    153,786.54/230,686.80 = 47,162.70/x
  3. Step 3: Cross multiply
    153,786.54x = 230,686.80 × 47,162.70
  4. Step 4: Simplify right side
    153,786.54x = 10,879,812,342.36
  5. Step 5: Solve for x
    x = 10,879,812,342.36/153,786.54
  6. Step 6: Final answer
    x = 70,746.19

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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.