Home / 256,275.24-353,639.58-148,827.72

Finding the Fourth Proportional to 256,275.24, 353,639.58 and 148,827.72

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Solution

The fourth proportional to 256,275.24, 353,639.58 and 148,827.72 is: 205,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,275.24 : 353,639.58 = 148,827.72 : x
  2. Step 2: Convert to fraction form
    256,275.24/353,639.58 = 148,827.72/x
  3. Step 3: Cross multiply
    256,275.24x = 353,639.58 × 148,827.72
  4. Step 4: Simplify right side
    256,275.24x = 52,631,372,393.16
  5. Step 5: Solve for x
    x = 52,631,372,393.16/256,275.24
  6. Step 6: Final answer
    x = 205,370.49

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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.