Home / 257,223.42-354,983.07-144,045.18

Finding the Fourth Proportional to 257,223.42, 354,983.07 and 144,045.18

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Solution

The fourth proportional to 257,223.42, 354,983.07 and 144,045.18 is: 198,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,223.42 : 354,983.07 = 144,045.18 : x
  2. Step 2: Convert to fraction form
    257,223.42/354,983.07 = 144,045.18/x
  3. Step 3: Cross multiply
    257,223.42x = 354,983.07 × 144,045.18
  4. Step 4: Simplify right side
    257,223.42x = 51,133,600,215.10
  5. Step 5: Solve for x
    x = 51,133,600,215.10/257,223.42
  6. Step 6: Final answer
    x = 198,790.61

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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.