Home / 179,835.10-248,178.45-98,168.20

Finding the Fourth Proportional to 179,835.10, 248,178.45 and 98,168.20

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Solution

The fourth proportional to 179,835.10, 248,178.45 and 98,168.20 is: 135,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,835.10 : 248,178.45 = 98,168.20 : x
  2. Step 2: Convert to fraction form
    179,835.10/248,178.45 = 98,168.20/x
  3. Step 3: Cross multiply
    179,835.10x = 248,178.45 × 98,168.20
  4. Step 4: Simplify right side
    179,835.10x = 24,363,231,715.29
  5. Step 5: Solve for x
    x = 24,363,231,715.29/179,835.10
  6. Step 6: Final answer
    x = 135,475.40

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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.