Home / 118,875.08-164,064.40-73,567.66

Finding the Fourth Proportional to 118,875.08, 164,064.40 and 73,567.66

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Solution

The fourth proportional to 118,875.08, 164,064.40 and 73,567.66 is: 101,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,875.08 : 164,064.40 = 73,567.66 : x
  2. Step 2: Convert to fraction form
    118,875.08/164,064.40 = 73,567.66/x
  3. Step 3: Cross multiply
    118,875.08x = 164,064.40 × 73,567.66
  4. Step 4: Simplify right side
    118,875.08x = 12,069,833,997.30
  5. Step 5: Solve for x
    x = 12,069,833,997.30/118,875.08
  6. Step 6: Final answer
    x = 101,533.76

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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.