Home / 186,820.55-257,818.04-106,259.66

Finding the Fourth Proportional to 186,820.55, 257,818.04 and 106,259.66

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Solution

The fourth proportional to 186,820.55, 257,818.04 and 106,259.66 is: 146,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,820.55 : 257,818.04 = 106,259.66 : x
  2. Step 2: Convert to fraction form
    186,820.55/257,818.04 = 106,259.66/x
  3. Step 3: Cross multiply
    186,820.55x = 257,818.04 × 106,259.66
  4. Step 4: Simplify right side
    186,820.55x = 27,395,658,182.46
  5. Step 5: Solve for x
    x = 27,395,658,182.46/186,820.55
  6. Step 6: Final answer
    x = 146,641.56

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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.