Home / 145,050.32-200,118.12-94,778.48

Finding the Fourth Proportional to 145,050.32, 200,118.12 and 94,778.48

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Solution

The fourth proportional to 145,050.32, 200,118.12 and 94,778.48 is: 130,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,050.32 : 200,118.12 = 94,778.48 : x
  2. Step 2: Convert to fraction form
    145,050.32/200,118.12 = 94,778.48/x
  3. Step 3: Cross multiply
    145,050.32x = 200,118.12 × 94,778.48
  4. Step 4: Simplify right side
    145,050.32x = 18,966,891,234.06
  5. Step 5: Solve for x
    x = 18,966,891,234.06/145,050.32
  6. Step 6: Final answer
    x = 130,760.77

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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.