Home / 121,656.16-182,428.64-37,386.97

Finding the Fourth Proportional to 121,656.16, 182,428.64 and 37,386.97

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Solution

The fourth proportional to 121,656.16, 182,428.64 and 37,386.97 is: 56,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,656.16 : 182,428.64 = 37,386.97 : x
  2. Step 2: Convert to fraction form
    121,656.16/182,428.64 = 37,386.97/x
  3. Step 3: Cross multiply
    121,656.16x = 182,428.64 × 37,386.97
  4. Step 4: Simplify right side
    121,656.16x = 6,820,453,588.02
  5. Step 5: Solve for x
    x = 6,820,453,588.02/121,656.16
  6. Step 6: Final answer
    x = 56,063.36

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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.