Home / 174,101.70-261,152.55-85,412.10

Finding the Fourth Proportional to 174,101.70, 261,152.55 and 85,412.10

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Solution

The fourth proportional to 174,101.70, 261,152.55 and 85,412.10 is: 128,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,101.70 : 261,152.55 = 85,412.10 : x
  2. Step 2: Convert to fraction form
    174,101.70/261,152.55 = 85,412.10/x
  3. Step 3: Cross multiply
    174,101.70x = 261,152.55 × 85,412.10
  4. Step 4: Simplify right side
    174,101.70x = 22,305,587,715.86
  5. Step 5: Solve for x
    x = 22,305,587,715.86/174,101.70
  6. Step 6: Final answer
    x = 128,118.15

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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.