Home / 186,232.21-257,006.25-105,663.13

Finding the Fourth Proportional to 186,232.21, 257,006.25 and 105,663.13

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Solution

The fourth proportional to 186,232.21, 257,006.25 and 105,663.13 is: 145,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,232.21 : 257,006.25 = 105,663.13 : x
  2. Step 2: Convert to fraction form
    186,232.21/257,006.25 = 105,663.13/x
  3. Step 3: Cross multiply
    186,232.21x = 257,006.25 × 105,663.13
  4. Step 4: Simplify right side
    186,232.21x = 27,156,084,804.56
  5. Step 5: Solve for x
    x = 27,156,084,804.56/186,232.21
  6. Step 6: Final answer
    x = 145,818.41

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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.