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Finding the Fourth Proportional to 186,113.36, 256,834.50 and 101,230.40

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Solution

The fourth proportional to 186,113.36, 256,834.50 and 101,230.40 is: 139,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,113.36 : 256,834.50 = 101,230.40 : x
  2. Step 2: Convert to fraction form
    186,113.36/256,834.50 = 101,230.40/x
  3. Step 3: Cross multiply
    186,113.36x = 256,834.50 × 101,230.40
  4. Step 4: Simplify right side
    186,113.36x = 25,999,459,168.80
  5. Step 5: Solve for x
    x = 25,999,459,168.80/186,113.36
  6. Step 6: Final answer
    x = 139,696.90

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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.