Home / 112,112.19-154,708.65-64,362.42

Finding the Fourth Proportional to 112,112.19, 154,708.65 and 64,362.42

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Solution

The fourth proportional to 112,112.19, 154,708.65 and 64,362.42 is: 88,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,112.19 : 154,708.65 = 64,362.42 : x
  2. Step 2: Convert to fraction form
    112,112.19/154,708.65 = 64,362.42/x
  3. Step 3: Cross multiply
    112,112.19x = 154,708.65 × 64,362.42
  4. Step 4: Simplify right side
    112,112.19x = 9,957,423,108.93
  5. Step 5: Solve for x
    x = 9,957,423,108.93/112,112.19
  6. Step 6: Final answer
    x = 88,816.60

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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.