Home / 118,156.12-163,059.38-64,444.11

Finding the Fourth Proportional to 118,156.12, 163,059.38 and 64,444.11

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Solution

The fourth proportional to 118,156.12, 163,059.38 and 64,444.11 is: 88,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,156.12 : 163,059.38 = 64,444.11 : x
  2. Step 2: Convert to fraction form
    118,156.12/163,059.38 = 64,444.11/x
  3. Step 3: Cross multiply
    118,156.12x = 163,059.38 × 64,444.11
  4. Step 4: Simplify right side
    118,156.12x = 10,508,215,929.22
  5. Step 5: Solve for x
    x = 10,508,215,929.22/118,156.12
  6. Step 6: Final answer
    x = 88,935.01

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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.