Home / 173,864.10-260,457.76-128,188.60

Finding the Fourth Proportional to 173,864.10, 260,457.76 and 128,188.60

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Solution

The fourth proportional to 173,864.10, 260,457.76 and 128,188.60 is: 192,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,864.10 : 260,457.76 = 128,188.60 : x
  2. Step 2: Convert to fraction form
    173,864.10/260,457.76 = 128,188.60/x
  3. Step 3: Cross multiply
    173,864.10x = 260,457.76 × 128,188.60
  4. Step 4: Simplify right side
    173,864.10x = 33,387,715,855.16
  5. Step 5: Solve for x
    x = 33,387,715,855.16/173,864.10
  6. Step 6: Final answer
    x = 192,033.41

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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.