Home / 153,281.24-230,053.08-86,786.72

Finding the Fourth Proportional to 153,281.24, 230,053.08 and 86,786.72

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Solution

The fourth proportional to 153,281.24, 230,053.08 and 86,786.72 is: 130,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281.24 : 230,053.08 = 86,786.72 : x
  2. Step 2: Convert to fraction form
    153,281.24/230,053.08 = 86,786.72/x
  3. Step 3: Cross multiply
    153,281.24x = 230,053.08 × 86,786.72
  4. Step 4: Simplify right side
    153,281.24x = 19,965,552,239.10
  5. Step 5: Solve for x
    x = 19,965,552,239.10/153,281.24
  6. Step 6: Final answer
    x = 130,254.38

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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.