Home / 176,591.02-243,690.44-100,117.17

Finding the Fourth Proportional to 176,591.02, 243,690.44 and 100,117.17

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Solution

The fourth proportional to 176,591.02, 243,690.44 and 100,117.17 is: 138,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,591.02 : 243,690.44 = 100,117.17 : x
  2. Step 2: Convert to fraction form
    176,591.02/243,690.44 = 100,117.17/x
  3. Step 3: Cross multiply
    176,591.02x = 243,690.44 × 100,117.17
  4. Step 4: Simplify right side
    176,591.02x = 24,397,595,489.82
  5. Step 5: Solve for x
    x = 24,397,595,489.82/176,591.02
  6. Step 6: Final answer
    x = 138,158.76

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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.