Home / 163,316.05-245,009.07-56,703.38

Finding the Fourth Proportional to 163,316.05, 245,009.07 and 56,703.38

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Solution

The fourth proportional to 163,316.05, 245,009.07 and 56,703.38 is: 85,067.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,316.05 : 245,009.07 = 56,703.38 : x
  2. Step 2: Convert to fraction form
    163,316.05/245,009.07 = 56,703.38/x
  3. Step 3: Cross multiply
    163,316.05x = 245,009.07 × 56,703.38
  4. Step 4: Simplify right side
    163,316.05x = 13,892,841,174.61
  5. Step 5: Solve for x
    x = 13,892,841,174.61/163,316.05
  6. Step 6: Final answer
    x = 85,067.21

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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.