Home / 148,326.17-204,688.89-80,341.56

Finding the Fourth Proportional to 148,326.17, 204,688.89 and 80,341.56

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Solution

The fourth proportional to 148,326.17, 204,688.89 and 80,341.56 is: 110,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,326.17 : 204,688.89 = 80,341.56 : x
  2. Step 2: Convert to fraction form
    148,326.17/204,688.89 = 80,341.56/x
  3. Step 3: Cross multiply
    148,326.17x = 204,688.89 × 80,341.56
  4. Step 4: Simplify right side
    148,326.17x = 16,445,024,737.27
  5. Step 5: Solve for x
    x = 16,445,024,737.27/148,326.17
  6. Step 6: Final answer
    x = 110,870.69

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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.