Home / 161,756.51-223,224.86-93,813.75

Finding the Fourth Proportional to 161,756.51, 223,224.86 and 93,813.75

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Solution

The fourth proportional to 161,756.51, 223,224.86 and 93,813.75 is: 129,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,756.51 : 223,224.86 = 93,813.75 : x
  2. Step 2: Convert to fraction form
    161,756.51/223,224.86 = 93,813.75/x
  3. Step 3: Cross multiply
    161,756.51x = 223,224.86 × 93,813.75
  4. Step 4: Simplify right side
    161,756.51x = 20,941,561,444.36
  5. Step 5: Solve for x
    x = 20,941,561,444.36/161,756.51
  6. Step 6: Final answer
    x = 129,463.49

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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.