Home / 156,953.90-235,430.85-103,809.80

Finding the Fourth Proportional to 156,953.90, 235,430.85 and 103,809.80

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Solution

The fourth proportional to 156,953.90, 235,430.85 and 103,809.80 is: 155,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,953.90 : 235,430.85 = 103,809.80 : x
  2. Step 2: Convert to fraction form
    156,953.90/235,430.85 = 103,809.80/x
  3. Step 3: Cross multiply
    156,953.90x = 235,430.85 × 103,809.80
  4. Step 4: Simplify right side
    156,953.90x = 24,440,029,452.33
  5. Step 5: Solve for x
    x = 24,440,029,452.33/156,953.90
  6. Step 6: Final answer
    x = 155,714.70

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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.