Home / 112,237.27-154,913.94-64,518.30

Finding the Fourth Proportional to 112,237.27, 154,913.94 and 64,518.30

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Solution

The fourth proportional to 112,237.27, 154,913.94 and 64,518.30 is: 89,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,237.27 : 154,913.94 = 64,518.30 : x
  2. Step 2: Convert to fraction form
    112,237.27/154,913.94 = 64,518.30/x
  3. Step 3: Cross multiply
    112,237.27x = 154,913.94 × 64,518.30
  4. Step 4: Simplify right side
    112,237.27x = 9,994,784,055.10
  5. Step 5: Solve for x
    x = 9,994,784,055.10/112,237.27
  6. Step 6: Final answer
    x = 89,050.49

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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.