Home / 156,152.55-215,437.53-101,679.84

Finding the Fourth Proportional to 156,152.55, 215,437.53 and 101,679.84

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Solution

The fourth proportional to 156,152.55, 215,437.53 and 101,679.84 is: 140,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,152.55 : 215,437.53 = 101,679.84 : x
  2. Step 2: Convert to fraction form
    156,152.55/215,437.53 = 101,679.84/x
  3. Step 3: Cross multiply
    156,152.55x = 215,437.53 × 101,679.84
  4. Step 4: Simplify right side
    156,152.55x = 21,905,653,580.40
  5. Step 5: Solve for x
    x = 21,905,653,580.40/156,152.55
  6. Step 6: Final answer
    x = 140,283.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.