Home / 186,447.07-257,295.63-101,564.13

Finding the Fourth Proportional to 186,447.07, 257,295.63 and 101,564.13

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Solution

The fourth proportional to 186,447.07, 257,295.63 and 101,564.13 is: 140,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,447.07 : 257,295.63 = 101,564.13 : x
  2. Step 2: Convert to fraction form
    186,447.07/257,295.63 = 101,564.13/x
  3. Step 3: Cross multiply
    186,447.07x = 257,295.63 × 101,564.13
  4. Step 4: Simplify right side
    186,447.07x = 26,132,006,813.75
  5. Step 5: Solve for x
    x = 26,132,006,813.75/186,447.07
  6. Step 6: Final answer
    x = 140,157.78

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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.