Home / 118,370.10-163,350.56-64,655.12

Finding the Fourth Proportional to 118,370.10, 163,350.56 and 64,655.12

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Solution

The fourth proportional to 118,370.10, 163,350.56 and 64,655.12 is: 89,223.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,370.10 : 163,350.56 = 64,655.12 : x
  2. Step 2: Convert to fraction form
    118,370.10/163,350.56 = 64,655.12/x
  3. Step 3: Cross multiply
    118,370.10x = 163,350.56 × 64,655.12
  4. Step 4: Simplify right side
    118,370.10x = 10,561,450,058.87
  5. Step 5: Solve for x
    x = 10,561,450,058.87/118,370.10
  6. Step 6: Final answer
    x = 89,223.97

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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.