Home / 186,332.16-257,125.41-105,761.33

Finding the Fourth Proportional to 186,332.16, 257,125.41 and 105,761.33

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Solution

The fourth proportional to 186,332.16, 257,125.41 and 105,761.33 is: 145,943.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,332.16 : 257,125.41 = 105,761.33 : x
  2. Step 2: Convert to fraction form
    186,332.16/257,125.41 = 105,761.33/x
  3. Step 3: Cross multiply
    186,332.16x = 257,125.41 × 105,761.33
  4. Step 4: Simplify right side
    186,332.16x = 27,193,924,052.77
  5. Step 5: Solve for x
    x = 27,193,924,052.77/186,332.16
  6. Step 6: Final answer
    x = 145,943.27

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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.