Home / 118,319.42-163,279.76-64,604.18

Finding the Fourth Proportional to 118,319.42, 163,279.76 and 64,604.18

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Solution

The fourth proportional to 118,319.42, 163,279.76 and 64,604.18 is: 89,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,319.42 : 163,279.76 = 64,604.18 : x
  2. Step 2: Convert to fraction form
    118,319.42/163,279.76 = 64,604.18/x
  3. Step 3: Cross multiply
    118,319.42x = 163,279.76 × 64,604.18
  4. Step 4: Simplify right side
    118,319.42x = 10,548,555,005.40
  5. Step 5: Solve for x
    x = 10,548,555,005.40/118,319.42
  6. Step 6: Final answer
    x = 89,153.20

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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.