Home / 112,602.11-155,447.13-64,846.22

Finding the Fourth Proportional to 112,602.11, 155,447.13 and 64,846.22

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Solution

The fourth proportional to 112,602.11, 155,447.13 and 64,846.22 is: 89,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,602.11 : 155,447.13 = 64,846.22 : x
  2. Step 2: Convert to fraction form
    112,602.11/155,447.13 = 64,846.22/x
  3. Step 3: Cross multiply
    112,602.11x = 155,447.13 × 64,846.22
  4. Step 4: Simplify right side
    112,602.11x = 10,080,158,013.11
  5. Step 5: Solve for x
    x = 10,080,158,013.11/112,602.11
  6. Step 6: Final answer
    x = 89,520.16

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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.