Home / 256,298.66-353,690.72-141,585.18

Finding the Fourth Proportional to 256,298.66, 353,690.72 and 141,585.18

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Solution

The fourth proportional to 256,298.66, 353,690.72 and 141,585.18 is: 195,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,298.66 : 353,690.72 = 141,585.18 : x
  2. Step 2: Convert to fraction form
    256,298.66/353,690.72 = 141,585.18/x
  3. Step 3: Cross multiply
    256,298.66x = 353,690.72 × 141,585.18
  4. Step 4: Simplify right side
    256,298.66x = 50,077,364,255.53
  5. Step 5: Solve for x
    x = 50,077,364,255.53/256,298.66
  6. Step 6: Final answer
    x = 195,386.76

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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.