Home / 101,352.10-151,820.56-56,885.49

Finding the Fourth Proportional to 101,352.10, 151,820.56 and 56,885.49

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Solution

The fourth proportional to 101,352.10, 151,820.56 and 56,885.49 is: 85,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,352.10 : 151,820.56 = 56,885.49 : x
  2. Step 2: Convert to fraction form
    101,352.10/151,820.56 = 56,885.49/x
  3. Step 3: Cross multiply
    101,352.10x = 151,820.56 × 56,885.49
  4. Step 4: Simplify right side
    101,352.10x = 8,636,386,947.67
  5. Step 5: Solve for x
    x = 8,636,386,947.67/101,352.10
  6. Step 6: Final answer
    x = 85,211.72

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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.