Home / 186,709.80-257,649.26-106,126.12

Finding the Fourth Proportional to 186,709.80, 257,649.26 and 106,126.12

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Solution

The fourth proportional to 186,709.80, 257,649.26 and 106,126.12 is: 146,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,709.80 : 257,649.26 = 106,126.12 : x
  2. Step 2: Convert to fraction form
    186,709.80/257,649.26 = 106,126.12/x
  3. Step 3: Cross multiply
    186,709.80x = 257,649.26 × 106,126.12
  4. Step 4: Simplify right side
    186,709.80x = 27,343,316,284.67
  5. Step 5: Solve for x
    x = 27,343,316,284.67/186,709.80
  6. Step 6: Final answer
    x = 146,448.21

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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.