Home / 156,744.30-235,117.50-38,415.65

Finding the Fourth Proportional to 156,744.30, 235,117.50 and 38,415.65

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Solution

The fourth proportional to 156,744.30, 235,117.50 and 38,415.65 is: 57,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.30 : 235,117.50 = 38,415.65 : x
  2. Step 2: Convert to fraction form
    156,744.30/235,117.50 = 38,415.65/x
  3. Step 3: Cross multiply
    156,744.30x = 235,117.50 × 38,415.65
  4. Step 4: Simplify right side
    156,744.30x = 9,032,191,588.88
  5. Step 5: Solve for x
    x = 9,032,191,588.88/156,744.30
  6. Step 6: Final answer
    x = 57,623.73

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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.