Home / 156,820.04-235,000.40-77,776.42

Finding the Fourth Proportional to 156,820.04, 235,000.40 and 77,776.42

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Solution

The fourth proportional to 156,820.04, 235,000.40 and 77,776.42 is: 116,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,820.04 : 235,000.40 = 77,776.42 : x
  2. Step 2: Convert to fraction form
    156,820.04/235,000.40 = 77,776.42/x
  3. Step 3: Cross multiply
    156,820.04x = 235,000.40 × 77,776.42
  4. Step 4: Simplify right side
    156,820.04x = 18,277,489,810.57
  5. Step 5: Solve for x
    x = 18,277,489,810.57/156,820.04
  6. Step 6: Final answer
    x = 116,550.73

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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.