Home / 130,437.52-179,998.64-73,848.90

Finding the Fourth Proportional to 130,437.52, 179,998.64 and 73,848.90

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Solution

The fourth proportional to 130,437.52, 179,998.64 and 73,848.90 is: 101,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,437.52 : 179,998.64 = 73,848.90 : x
  2. Step 2: Convert to fraction form
    130,437.52/179,998.64 = 73,848.90/x
  3. Step 3: Cross multiply
    130,437.52x = 179,998.64 × 73,848.90
  4. Step 4: Simplify right side
    130,437.52x = 13,292,701,565.50
  5. Step 5: Solve for x
    x = 13,292,701,565.50/130,437.52
  6. Step 6: Final answer
    x = 101,908.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.