Home / 156,697.07-216,236.05-85,075.56

Finding the Fourth Proportional to 156,697.07, 216,236.05 and 85,075.56

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Solution

The fourth proportional to 156,697.07, 216,236.05 and 85,075.56 is: 117,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,697.07 : 216,236.05 = 85,075.56 : x
  2. Step 2: Convert to fraction form
    156,697.07/216,236.05 = 85,075.56/x
  3. Step 3: Cross multiply
    156,697.07x = 216,236.05 × 85,075.56
  4. Step 4: Simplify right side
    156,697.07x = 18,396,402,833.25
  5. Step 5: Solve for x
    x = 18,396,402,833.25/156,697.07
  6. Step 6: Final answer
    x = 117,401.07

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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.