Home / 456,276.17-684,423.47-140,733.11

Finding the Fourth Proportional to 456,276.17, 684,423.47 and 140,733.11

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Solution

The fourth proportional to 456,276.17, 684,423.47 and 140,733.11 is: 211,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,276.17 : 684,423.47 = 140,733.11 : x
  2. Step 2: Convert to fraction form
    456,276.17/684,423.47 = 140,733.11/x
  3. Step 3: Cross multiply
    456,276.17x = 684,423.47 × 140,733.11
  4. Step 4: Simplify right side
    456,276.17x = 96,321,045,552.98
  5. Step 5: Solve for x
    x = 96,321,045,552.98/456,276.17
  6. Step 6: Final answer
    x = 211,102.51

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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.