Home / 118,279.80-163,220.22-64,567.08

Finding the Fourth Proportional to 118,279.80, 163,220.22 and 64,567.08

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Solution

The fourth proportional to 118,279.80, 163,220.22 and 64,567.08 is: 89,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,279.80 : 163,220.22 = 64,567.08 : x
  2. Step 2: Convert to fraction form
    118,279.80/163,220.22 = 64,567.08/x
  3. Step 3: Cross multiply
    118,279.80x = 163,220.22 × 64,567.08
  4. Step 4: Simplify right side
    118,279.80x = 10,538,653,002.36
  5. Step 5: Solve for x
    x = 10,538,653,002.36/118,279.80
  6. Step 6: Final answer
    x = 89,099.35

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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.