Home / 205,330.60-307,995.90-197,457.40

Finding the Fourth Proportional to 205,330.60, 307,995.90 and 197,457.40

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Solution

The fourth proportional to 205,330.60, 307,995.90 and 197,457.40 is: 296,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,330.60 : 307,995.90 = 197,457.40 : x
  2. Step 2: Convert to fraction form
    205,330.60/307,995.90 = 197,457.40/x
  3. Step 3: Cross multiply
    205,330.60x = 307,995.90 × 197,457.40
  4. Step 4: Simplify right side
    205,330.60x = 60,816,069,624.66
  5. Step 5: Solve for x
    x = 60,816,069,624.66/205,330.60
  6. Step 6: Final answer
    x = 296,186.10

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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.