Home / 118,365.02-163,343.72-64,650.16

Finding the Fourth Proportional to 118,365.02, 163,343.72 and 64,650.16

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Solution

The fourth proportional to 118,365.02, 163,343.72 and 64,650.16 is: 89,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,365.02 : 163,343.72 = 64,650.16 : x
  2. Step 2: Convert to fraction form
    118,365.02/163,343.72 = 64,650.16/x
  3. Step 3: Cross multiply
    118,365.02x = 163,343.72 × 64,650.16
  4. Step 4: Simplify right side
    118,365.02x = 10,560,197,633.00
  5. Step 5: Solve for x
    x = 10,560,197,633.00/118,365.02
  6. Step 6: Final answer
    x = 89,217.22

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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.