Home / 186,309.12-257,098.52-101,426.48

Finding the Fourth Proportional to 186,309.12, 257,098.52 and 101,426.48

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Solution

The fourth proportional to 186,309.12, 257,098.52 and 101,426.48 is: 139,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,309.12 : 257,098.52 = 101,426.48 : x
  2. Step 2: Convert to fraction form
    186,309.12/257,098.52 = 101,426.48/x
  3. Step 3: Cross multiply
    186,309.12x = 257,098.52 × 101,426.48
  4. Step 4: Simplify right side
    186,309.12x = 26,076,597,896.81
  5. Step 5: Solve for x
    x = 26,076,597,896.81/186,309.12
  6. Step 6: Final answer
    x = 139,964.15

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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.