Home / 156,971.90-235,457.85-103,827.80

Finding the Fourth Proportional to 156,971.90, 235,457.85 and 103,827.80

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Solution

The fourth proportional to 156,971.90, 235,457.85 and 103,827.80 is: 155,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.90 : 235,457.85 = 103,827.80 : x
  2. Step 2: Convert to fraction form
    156,971.90/235,457.85 = 103,827.80/x
  3. Step 3: Cross multiply
    156,971.90x = 235,457.85 × 103,827.80
  4. Step 4: Simplify right side
    156,971.90x = 24,447,070,558.23
  5. Step 5: Solve for x
    x = 24,447,070,558.23/156,971.90
  6. Step 6: Final answer
    x = 155,741.70

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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.