Home / 112,463.90-168,501.45-73,000.70

Finding the Fourth Proportional to 112,463.90, 168,501.45 and 73,000.70

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Solution

The fourth proportional to 112,463.90, 168,501.45 and 73,000.70 is: 109,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.90 : 168,501.45 = 73,000.70 : x
  2. Step 2: Convert to fraction form
    112,463.90/168,501.45 = 73,000.70/x
  3. Step 3: Cross multiply
    112,463.90x = 168,501.45 × 73,000.70
  4. Step 4: Simplify right side
    112,463.90x = 12,300,723,801.02
  5. Step 5: Solve for x
    x = 12,300,723,801.02/112,463.90
  6. Step 6: Final answer
    x = 109,374.86

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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.