Home / 173,878.10-261,011.55-134,609.30

Finding the Fourth Proportional to 173,878.10, 261,011.55 and 134,609.30

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Solution

The fourth proportional to 173,878.10, 261,011.55 and 134,609.30 is: 202,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,878.10 : 261,011.55 = 134,609.30 : x
  2. Step 2: Convert to fraction form
    173,878.10/261,011.55 = 134,609.30/x
  3. Step 3: Cross multiply
    173,878.10x = 261,011.55 × 134,609.30
  4. Step 4: Simplify right side
    173,878.10x = 35,134,582,037.42
  5. Step 5: Solve for x
    x = 35,134,582,037.42/173,878.10
  6. Step 6: Final answer
    x = 202,064.45

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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.