Home / 153,578.17-230,068.36-86,816.35

Finding the Fourth Proportional to 153,578.17, 230,068.36 and 86,816.35

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Solution

The fourth proportional to 153,578.17, 230,068.36 and 86,816.35 is: 130,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,578.17 : 230,068.36 = 86,816.35 : x
  2. Step 2: Convert to fraction form
    153,578.17/230,068.36 = 86,816.35/x
  3. Step 3: Cross multiply
    153,578.17x = 230,068.36 × 86,816.35
  4. Step 4: Simplify right side
    153,578.17x = 19,973,695,265.69
  5. Step 5: Solve for x
    x = 19,973,695,265.69/153,578.17
  6. Step 6: Final answer
    x = 130,055.56

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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.