Home / 117,101.46-161,600.05-63,386.31

Finding the Fourth Proportional to 117,101.46, 161,600.05 and 63,386.31

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Solution

The fourth proportional to 117,101.46, 161,600.05 and 63,386.31 is: 87,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101.46 : 161,600.05 = 63,386.31 : x
  2. Step 2: Convert to fraction form
    117,101.46/161,600.05 = 63,386.31/x
  3. Step 3: Cross multiply
    117,101.46x = 161,600.05 × 63,386.31
  4. Step 4: Simplify right side
    117,101.46x = 10,243,230,548.38
  5. Step 5: Solve for x
    x = 10,243,230,548.38/117,101.46
  6. Step 6: Final answer
    x = 87,473.12

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1.5x scale

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.