Home / 158,303.52-237,078.36-91,603.08

Finding the Fourth Proportional to 158,303.52, 237,078.36 and 91,603.08

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Solution

The fourth proportional to 158,303.52, 237,078.36 and 91,603.08 is: 137,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,303.52 : 237,078.36 = 91,603.08 : x
  2. Step 2: Convert to fraction form
    158,303.52/237,078.36 = 91,603.08/x
  3. Step 3: Cross multiply
    158,303.52x = 237,078.36 × 91,603.08
  4. Step 4: Simplify right side
    158,303.52x = 21,717,107,977.35
  5. Step 5: Solve for x
    x = 21,717,107,977.35/158,303.52
  6. Step 6: Final answer
    x = 137,186.51

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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.