Home / 176,670.18-243,807.21-101,218.50

Finding the Fourth Proportional to 176,670.18, 243,807.21 and 101,218.50

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Solution

The fourth proportional to 176,670.18, 243,807.21 and 101,218.50 is: 139,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,670.18 : 243,807.21 = 101,218.50 : x
  2. Step 2: Convert to fraction form
    176,670.18/243,807.21 = 101,218.50/x
  3. Step 3: Cross multiply
    176,670.18x = 243,807.21 × 101,218.50
  4. Step 4: Simplify right side
    176,670.18x = 24,677,800,085.39
  5. Step 5: Solve for x
    x = 24,677,800,085.39/176,670.18
  6. Step 6: Final answer
    x = 139,682.88

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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.