Home / 156,768.04-235,156.55-38,439.32

Finding the Fourth Proportional to 156,768.04, 235,156.55 and 38,439.32

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Solution

The fourth proportional to 156,768.04, 235,156.55 and 38,439.32 is: 57,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,768.04 : 235,156.55 = 38,439.32 : x
  2. Step 2: Convert to fraction form
    156,768.04/235,156.55 = 38,439.32/x
  3. Step 3: Cross multiply
    156,768.04x = 235,156.55 × 38,439.32
  4. Step 4: Simplify right side
    156,768.04x = 9,039,257,875.55
  5. Step 5: Solve for x
    x = 9,039,257,875.55/156,768.04
  6. Step 6: Final answer
    x = 57,660.08

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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.