Home / 268,096.02-402,143.76-68,416.40

Finding the Fourth Proportional to 268,096.02, 402,143.76 and 68,416.40

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Solution

The fourth proportional to 268,096.02, 402,143.76 and 68,416.40 is: 102,624.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,096.02 : 402,143.76 = 68,416.40 : x
  2. Step 2: Convert to fraction form
    268,096.02/402,143.76 = 68,416.40/x
  3. Step 3: Cross multiply
    268,096.02x = 402,143.76 × 68,416.40
  4. Step 4: Simplify right side
    268,096.02x = 27,513,228,341.66
  5. Step 5: Solve for x
    x = 27,513,228,341.66/268,096.02
  6. Step 6: Final answer
    x = 102,624.53

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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.