Home / 116,780.36-161,156.90-63,065.38

Finding the Fourth Proportional to 116,780.36, 161,156.90 and 63,065.38

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Solution

The fourth proportional to 116,780.36, 161,156.90 and 63,065.38 is: 87,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,780.36 : 161,156.90 = 63,065.38 : x
  2. Step 2: Convert to fraction form
    116,780.36/161,156.90 = 63,065.38/x
  3. Step 3: Cross multiply
    116,780.36x = 161,156.90 × 63,065.38
  4. Step 4: Simplify right side
    116,780.36x = 10,163,420,354.23
  5. Step 5: Solve for x
    x = 10,163,420,354.23/116,780.36
  6. Step 6: Final answer
    x = 87,030.22

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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.