Home / 93,187.89-128,604.69-70,176.53

Finding the Fourth Proportional to 93,187.89, 128,604.69 and 70,176.53

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Solution

The fourth proportional to 93,187.89, 128,604.69 and 70,176.53 is: 96,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,187.89 : 128,604.69 = 70,176.53 : x
  2. Step 2: Convert to fraction form
    93,187.89/128,604.69 = 70,176.53/x
  3. Step 3: Cross multiply
    93,187.89x = 128,604.69 × 70,176.53
  4. Step 4: Simplify right side
    93,187.89x = 9,025,031,207.44
  5. Step 5: Solve for x
    x = 9,025,031,207.44/93,187.89
  6. Step 6: Final answer
    x = 96,847.68

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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.