Home / 112,064.45-154,800.36-89,561.16

Finding the Fourth Proportional to 112,064.45, 154,800.36 and 89,561.16

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Solution

The fourth proportional to 112,064.45, 154,800.36 and 89,561.16 is: 123,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.45 : 154,800.36 = 89,561.16 : x
  2. Step 2: Convert to fraction form
    112,064.45/154,800.36 = 89,561.16/x
  3. Step 3: Cross multiply
    112,064.45x = 154,800.36 × 89,561.16
  4. Step 4: Simplify right side
    112,064.45x = 13,864,099,810.02
  5. Step 5: Solve for x
    x = 13,864,099,810.02/112,064.45
  6. Step 6: Final answer
    x = 123,715.42

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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.