Home / 107,430.70-161,146.05-96,544.30

Finding the Fourth Proportional to 107,430.70, 161,146.05 and 96,544.30

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Solution

The fourth proportional to 107,430.70, 161,146.05 and 96,544.30 is: 144,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,430.70 : 161,146.05 = 96,544.30 : x
  2. Step 2: Convert to fraction form
    107,430.70/161,146.05 = 96,544.30/x
  3. Step 3: Cross multiply
    107,430.70x = 161,146.05 × 96,544.30
  4. Step 4: Simplify right side
    107,430.70x = 15,557,732,595.02
  5. Step 5: Solve for x
    x = 15,557,732,595.02/107,430.70
  6. Step 6: Final answer
    x = 144,816.45

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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.