Home / 116,133.36-174,200.12-76,681.20

Finding the Fourth Proportional to 116,133.36, 174,200.12 and 76,681.20

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Solution

The fourth proportional to 116,133.36, 174,200.12 and 76,681.20 is: 115,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,133.36 : 174,200.12 = 76,681.20 : x
  2. Step 2: Convert to fraction form
    116,133.36/174,200.12 = 76,681.20/x
  3. Step 3: Cross multiply
    116,133.36x = 174,200.12 × 76,681.20
  4. Step 4: Simplify right side
    116,133.36x = 13,357,874,241.74
  5. Step 5: Solve for x
    x = 13,357,874,241.74/116,133.36
  6. Step 6: Final answer
    x = 115,021.85

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1.5x scale

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.