Home / 93,289.40-139,934.10-92,706.20

Finding the Fourth Proportional to 93,289.40, 139,934.10 and 92,706.20

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Solution

The fourth proportional to 93,289.40, 139,934.10 and 92,706.20 is: 139,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,289.40 : 139,934.10 = 92,706.20 : x
  2. Step 2: Convert to fraction form
    93,289.40/139,934.10 = 92,706.20/x
  3. Step 3: Cross multiply
    93,289.40x = 139,934.10 × 92,706.20
  4. Step 4: Simplify right side
    93,289.40x = 12,972,758,661.42
  5. Step 5: Solve for x
    x = 12,972,758,661.42/93,289.40
  6. Step 6: Final answer
    x = 139,059.30

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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.