Home / 156,951.40-235,427.10-103,807.30

Finding the Fourth Proportional to 156,951.40, 235,427.10 and 103,807.30

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Solution

The fourth proportional to 156,951.40, 235,427.10 and 103,807.30 is: 155,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.40 : 235,427.10 = 103,807.30 : x
  2. Step 2: Convert to fraction form
    156,951.40/235,427.10 = 103,807.30/x
  3. Step 3: Cross multiply
    156,951.40x = 235,427.10 × 103,807.30
  4. Step 4: Simplify right side
    156,951.40x = 24,439,051,597.83
  5. Step 5: Solve for x
    x = 24,439,051,597.83/156,951.40
  6. Step 6: Final answer
    x = 155,710.95

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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.