Home / 186,331.16-257,124.03-105,760.33

Finding the Fourth Proportional to 186,331.16, 257,124.03 and 105,760.33

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Solution

The fourth proportional to 186,331.16, 257,124.03 and 105,760.33 is: 145,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,331.16 : 257,124.03 = 105,760.33 : x
  2. Step 2: Convert to fraction form
    186,331.16/257,124.03 = 105,760.33/x
  3. Step 3: Cross multiply
    186,331.16x = 257,124.03 × 105,760.33
  4. Step 4: Simplify right side
    186,331.16x = 27,193,520,978.11
  5. Step 5: Solve for x
    x = 27,193,520,978.11/186,331.16
  6. Step 6: Final answer
    x = 145,941.89

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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.