Home / 118,226.15-163,158.69-64,512.08

Finding the Fourth Proportional to 118,226.15, 163,158.69 and 64,512.08

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Solution

The fourth proportional to 118,226.15, 163,158.69 and 64,512.08 is: 89,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.15 : 163,158.69 = 64,512.08 : x
  2. Step 2: Convert to fraction form
    118,226.15/163,158.69 = 64,512.08/x
  3. Step 3: Cross multiply
    118,226.15x = 163,158.69 × 64,512.08
  4. Step 4: Simplify right side
    118,226.15x = 10,525,706,461.98
  5. Step 5: Solve for x
    x = 10,525,706,461.98/118,226.15
  6. Step 6: Final answer
    x = 89,030.27

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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.