Home / 131,484.36-181,437.47-73,337.50

Finding the Fourth Proportional to 131,484.36, 181,437.47 and 73,337.50

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Solution

The fourth proportional to 131,484.36, 181,437.47 and 73,337.50 is: 101,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,484.36 : 181,437.47 = 73,337.50 : x
  2. Step 2: Convert to fraction form
    131,484.36/181,437.47 = 73,337.50/x
  3. Step 3: Cross multiply
    131,484.36x = 181,437.47 × 73,337.50
  4. Step 4: Simplify right side
    131,484.36x = 13,306,170,591.25
  5. Step 5: Solve for x
    x = 13,306,170,591.25/131,484.36
  6. Step 6: Final answer
    x = 101,199.64

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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.