Home / 130,270.04-179,772.66-73,680.20

Finding the Fourth Proportional to 130,270.04, 179,772.66 and 73,680.20

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Solution

The fourth proportional to 130,270.04, 179,772.66 and 73,680.20 is: 101,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,270.04 : 179,772.66 = 73,680.20 : x
  2. Step 2: Convert to fraction form
    130,270.04/179,772.66 = 73,680.20/x
  3. Step 3: Cross multiply
    130,270.04x = 179,772.66 × 73,680.20
  4. Step 4: Simplify right side
    130,270.04x = 13,245,685,543.33
  5. Step 5: Solve for x
    x = 13,245,685,543.33/130,270.04
  6. Step 6: Final answer
    x = 101,678.68

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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.