Home / 118,376.08-163,362.92-64,666.10

Finding the Fourth Proportional to 118,376.08, 163,362.92 and 64,666.10

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Solution

The fourth proportional to 118,376.08, 163,362.92 and 64,666.10 is: 89,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,376.08 : 163,362.92 = 64,666.10 : x
  2. Step 2: Convert to fraction form
    118,376.08/163,362.92 = 64,666.10/x
  3. Step 3: Cross multiply
    118,376.08x = 163,362.92 × 64,666.10
  4. Step 4: Simplify right side
    118,376.08x = 10,564,042,921.01
  5. Step 5: Solve for x
    x = 10,564,042,921.01/118,376.08
  6. Step 6: Final answer
    x = 89,241.36

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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.