Home / 112,465.96-155,189.70-62,156.20

Finding the Fourth Proportional to 112,465.96, 155,189.70 and 62,156.20

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Solution

The fourth proportional to 112,465.96, 155,189.70 and 62,156.20 is: 85,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,465.96 : 155,189.70 = 62,156.20 : x
  2. Step 2: Convert to fraction form
    112,465.96/155,189.70 = 62,156.20/x
  3. Step 3: Cross multiply
    112,465.96x = 155,189.70 × 62,156.20
  4. Step 4: Simplify right side
    112,465.96x = 9,646,002,031.14
  5. Step 5: Solve for x
    x = 9,646,002,031.14/112,465.96
  6. Step 6: Final answer
    x = 85,768.19

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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.