Home / 130,415.04-195,726.24-111,911.40

Finding the Fourth Proportional to 130,415.04, 195,726.24 and 111,911.40

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Solution

The fourth proportional to 130,415.04, 195,726.24 and 111,911.40 is: 167,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,415.04 : 195,726.24 = 111,911.40 : x
  2. Step 2: Convert to fraction form
    130,415.04/195,726.24 = 111,911.40/x
  3. Step 3: Cross multiply
    130,415.04x = 195,726.24 × 111,911.40
  4. Step 4: Simplify right side
    130,415.04x = 21,903,997,535.14
  5. Step 5: Solve for x
    x = 21,903,997,535.14/130,415.04
  6. Step 6: Final answer
    x = 167,956.07

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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.