Home / 186,166.92-256,909.18-101,284.36

Finding the Fourth Proportional to 186,166.92, 256,909.18 and 101,284.36

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Solution

The fourth proportional to 186,166.92, 256,909.18 and 101,284.36 is: 139,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,166.92 : 256,909.18 = 101,284.36 : x
  2. Step 2: Convert to fraction form
    186,166.92/256,909.18 = 101,284.36/x
  3. Step 3: Cross multiply
    186,166.92x = 256,909.18 × 101,284.36
  4. Step 4: Simplify right side
    186,166.92x = 26,020,881,874.42
  5. Step 5: Solve for x
    x = 26,020,881,874.42/186,166.92
  6. Step 6: Final answer
    x = 139,771.78

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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.