Home / 186,820.99-257,818.65-106,260.10

Finding the Fourth Proportional to 186,820.99, 257,818.65 and 106,260.10

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Solution

The fourth proportional to 186,820.99, 257,818.65 and 106,260.10 is: 146,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,820.99 : 257,818.65 = 106,260.10 : x
  2. Step 2: Convert to fraction form
    186,820.99/257,818.65 = 106,260.10/x
  3. Step 3: Cross multiply
    186,820.99x = 257,818.65 × 106,260.10
  4. Step 4: Simplify right side
    186,820.99x = 27,395,835,530.87
  5. Step 5: Solve for x
    x = 27,395,835,530.87/186,820.99
  6. Step 6: Final answer
    x = 146,642.17

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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.