Home / 156,749.40-235,145.70-56,885.40

Finding the Fourth Proportional to 156,749.40, 235,145.70 and 56,885.40

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Solution

The fourth proportional to 156,749.40, 235,145.70 and 56,885.40 is: 85,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.40 : 235,145.70 = 56,885.40 : x
  2. Step 2: Convert to fraction form
    156,749.40/235,145.70 = 56,885.40/x
  3. Step 3: Cross multiply
    156,749.40x = 235,145.70 × 56,885.40
  4. Step 4: Simplify right side
    156,749.40x = 13,376,357,202.78
  5. Step 5: Solve for x
    x = 13,376,357,202.78/156,749.40
  6. Step 6: Final answer
    x = 85,335.94

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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.