Home / 314,983.27-434,658.09-178,998.40

Finding the Fourth Proportional to 314,983.27, 434,658.09 and 178,998.40

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Solution

The fourth proportional to 314,983.27, 434,658.09 and 178,998.40 is: 247,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,983.27 : 434,658.09 = 178,998.40 : x
  2. Step 2: Convert to fraction form
    314,983.27/434,658.09 = 178,998.40/x
  3. Step 3: Cross multiply
    314,983.27x = 434,658.09 × 178,998.40
  4. Step 4: Simplify right side
    314,983.27x = 77,803,102,657.06
  5. Step 5: Solve for x
    x = 77,803,102,657.06/314,983.27
  6. Step 6: Final answer
    x = 247,007.10

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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.