Home / 185,533.42-278,113.16-73,170.22

Finding the Fourth Proportional to 185,533.42, 278,113.16 and 73,170.22

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Solution

The fourth proportional to 185,533.42, 278,113.16 and 73,170.22 is: 109,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,533.42 : 278,113.16 = 73,170.22 : x
  2. Step 2: Convert to fraction form
    185,533.42/278,113.16 = 73,170.22/x
  3. Step 3: Cross multiply
    185,533.42x = 278,113.16 × 73,170.22
  4. Step 4: Simplify right side
    185,533.42x = 20,349,601,102.10
  5. Step 5: Solve for x
    x = 20,349,601,102.10/185,533.42
  6. Step 6: Final answer
    x = 109,681.59

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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.