Home / 118,430.55-163,432.18-64,714.33

Finding the Fourth Proportional to 118,430.55, 163,432.18 and 64,714.33

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Solution

The fourth proportional to 118,430.55, 163,432.18 and 64,714.33 is: 89,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,430.55 : 163,432.18 = 64,714.33 : x
  2. Step 2: Convert to fraction form
    118,430.55/163,432.18 = 64,714.33/x
  3. Step 3: Cross multiply
    118,430.55x = 163,432.18 × 64,714.33
  4. Step 4: Simplify right side
    118,430.55x = 10,576,404,029.14
  5. Step 5: Solve for x
    x = 10,576,404,029.14/118,430.55
  6. Step 6: Final answer
    x = 89,304.69

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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.