Home / 256,055.13-384,124.26-96,143.67

Finding the Fourth Proportional to 256,055.13, 384,124.26 and 96,143.67

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Solution

The fourth proportional to 256,055.13, 384,124.26 and 96,143.67 is: 144,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,055.13 : 384,124.26 = 96,143.67 : x
  2. Step 2: Convert to fraction form
    256,055.13/384,124.26 = 96,143.67/x
  3. Step 3: Cross multiply
    256,055.13x = 384,124.26 × 96,143.67
  4. Step 4: Simplify right side
    256,055.13x = 36,931,116,092.43
  5. Step 5: Solve for x
    x = 36,931,116,092.43/256,055.13
  6. Step 6: Final answer
    x = 144,231.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.