Home / 156,683.40-235,025.10-38,353.20

Finding the Fourth Proportional to 156,683.40, 235,025.10 and 38,353.20

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Solution

The fourth proportional to 156,683.40, 235,025.10 and 38,353.20 is: 57,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,683.40 : 235,025.10 = 38,353.20 : x
  2. Step 2: Convert to fraction form
    156,683.40/235,025.10 = 38,353.20/x
  3. Step 3: Cross multiply
    156,683.40x = 235,025.10 × 38,353.20
  4. Step 4: Simplify right side
    156,683.40x = 9,013,964,665.32
  5. Step 5: Solve for x
    x = 9,013,964,665.32/156,683.40
  6. Step 6: Final answer
    x = 57,529.80

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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.