Home / 229,800.46-317,133.66-139,105.11

Finding the Fourth Proportional to 229,800.46, 317,133.66 and 139,105.11

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Solution

The fourth proportional to 229,800.46, 317,133.66 and 139,105.11 is: 191,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,800.46 : 317,133.66 = 139,105.11 : x
  2. Step 2: Convert to fraction form
    229,800.46/317,133.66 = 139,105.11/x
  3. Step 3: Cross multiply
    229,800.46x = 317,133.66 × 139,105.11
  4. Step 4: Simplify right side
    229,800.46x = 44,114,913,196.20
  5. Step 5: Solve for x
    x = 44,114,913,196.20/229,800.46
  6. Step 6: Final answer
    x = 191,970.52

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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.