Home / 149,653.13-224,520.70-74,682.77

Finding the Fourth Proportional to 149,653.13, 224,520.70 and 74,682.77

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Solution

The fourth proportional to 149,653.13, 224,520.70 and 74,682.77 is: 112,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,653.13 : 224,520.70 = 74,682.77 : x
  2. Step 2: Convert to fraction form
    149,653.13/224,520.70 = 74,682.77/x
  3. Step 3: Cross multiply
    149,653.13x = 224,520.70 × 74,682.77
  4. Step 4: Simplify right side
    149,653.13x = 16,767,827,798.34
  5. Step 5: Solve for x
    x = 16,767,827,798.34/149,653.13
  6. Step 6: Final answer
    x = 112,044.62

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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.