Home / 156,727.30-235,090.95-38,399.80

Finding the Fourth Proportional to 156,727.30, 235,090.95 and 38,399.80

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Solution

The fourth proportional to 156,727.30, 235,090.95 and 38,399.80 is: 57,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.30 : 235,090.95 = 38,399.80 : x
  2. Step 2: Convert to fraction form
    156,727.30/235,090.95 = 38,399.80/x
  3. Step 3: Cross multiply
    156,727.30x = 235,090.95 × 38,399.80
  4. Step 4: Simplify right side
    156,727.30x = 9,027,445,461.81
  5. Step 5: Solve for x
    x = 9,027,445,461.81/156,727.30
  6. Step 6: Final answer
    x = 57,599.70

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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.