Home / 186,444.18-257,284.08-105,861.11

Finding the Fourth Proportional to 186,444.18, 257,284.08 and 105,861.11

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Solution

The fourth proportional to 186,444.18, 257,284.08 and 105,861.11 is: 146,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,444.18 : 257,284.08 = 105,861.11 : x
  2. Step 2: Convert to fraction form
    186,444.18/257,284.08 = 105,861.11/x
  3. Step 3: Cross multiply
    186,444.18x = 257,284.08 × 105,861.11
  4. Step 4: Simplify right side
    186,444.18x = 27,236,377,007.71
  5. Step 5: Solve for x
    x = 27,236,377,007.71/186,444.18
  6. Step 6: Final answer
    x = 146,083.28

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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.