Home / 118,348.02-163,319.43-64,633.05

Finding the Fourth Proportional to 118,348.02, 163,319.43 and 64,633.05

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Solution

The fourth proportional to 118,348.02, 163,319.43 and 64,633.05 is: 89,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,348.02 : 163,319.43 = 64,633.05 : x
  2. Step 2: Convert to fraction form
    118,348.02/163,319.43 = 64,633.05/x
  3. Step 3: Cross multiply
    118,348.02x = 163,319.43 × 64,633.05
  4. Step 4: Simplify right side
    118,348.02x = 10,555,832,885.16
  5. Step 5: Solve for x
    x = 10,555,832,885.16/118,348.02
  6. Step 6: Final answer
    x = 89,193.15

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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.