Home / 118,629.03-163,703.18-70,908.69

Finding the Fourth Proportional to 118,629.03, 163,703.18 and 70,908.69

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Solution

The fourth proportional to 118,629.03, 163,703.18 and 70,908.69 is: 97,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,629.03 : 163,703.18 = 70,908.69 : x
  2. Step 2: Convert to fraction form
    118,629.03/163,703.18 = 70,908.69/x
  3. Step 3: Cross multiply
    118,629.03x = 163,703.18 × 70,908.69
  4. Step 4: Simplify right side
    118,629.03x = 11,607,977,688.09
  5. Step 5: Solve for x
    x = 11,607,977,688.09/118,629.03
  6. Step 6: Final answer
    x = 97,851.07

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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.