Home / 256,127.28-353,455.44-141,406.08

Finding the Fourth Proportional to 256,127.28, 353,455.44 and 141,406.08

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Solution

The fourth proportional to 256,127.28, 353,455.44 and 141,406.08 is: 195,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,127.28 : 353,455.44 = 141,406.08 : x
  2. Step 2: Convert to fraction form
    256,127.28/353,455.44 = 141,406.08/x
  3. Step 3: Cross multiply
    256,127.28x = 353,455.44 × 141,406.08
  4. Step 4: Simplify right side
    256,127.28x = 49,980,748,225.08
  5. Step 5: Solve for x
    x = 49,980,748,225.08/256,127.28
  6. Step 6: Final answer
    x = 195,140.28

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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.