Home / 255,867.12-353,565.81-243,576.18

Finding the Fourth Proportional to 255,867.12, 353,565.81 and 243,576.18

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Solution

The fourth proportional to 255,867.12, 353,565.81 and 243,576.18 is: 336,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,867.12 : 353,565.81 = 243,576.18 : x
  2. Step 2: Convert to fraction form
    255,867.12/353,565.81 = 243,576.18/x
  3. Step 3: Cross multiply
    255,867.12x = 353,565.81 × 243,576.18
  4. Step 4: Simplify right side
    255,867.12x = 86,120,209,378.41
  5. Step 5: Solve for x
    x = 86,120,209,378.41/255,867.12
  6. Step 6: Final answer
    x = 336,581.77

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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.