Home / 153,577.17-230,066.87-86,815.35

Finding the Fourth Proportional to 153,577.17, 230,066.87 and 86,815.35

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Solution

The fourth proportional to 153,577.17, 230,066.87 and 86,815.35 is: 130,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,577.17 : 230,066.87 = 86,815.35 : x
  2. Step 2: Convert to fraction form
    153,577.17/230,066.87 = 86,815.35/x
  3. Step 3: Cross multiply
    153,577.17x = 230,066.87 × 86,815.35
  4. Step 4: Simplify right side
    153,577.17x = 19,973,335,408.38
  5. Step 5: Solve for x
    x = 19,973,335,408.38/153,577.17
  6. Step 6: Final answer
    x = 130,054.07

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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.