Home / 118,416.06-163,425.51-64,709.22

Finding the Fourth Proportional to 118,416.06, 163,425.51 and 64,709.22

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Solution

The fourth proportional to 118,416.06, 163,425.51 and 64,709.22 is: 89,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,416.06 : 163,425.51 = 64,709.22 : x
  2. Step 2: Convert to fraction form
    118,416.06/163,425.51 = 64,709.22/x
  3. Step 3: Cross multiply
    118,416.06x = 163,425.51 × 64,709.22
  4. Step 4: Simplify right side
    118,416.06x = 10,575,137,280.20
  5. Step 5: Solve for x
    x = 10,575,137,280.20/118,416.06
  6. Step 6: Final answer
    x = 89,304.92

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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.