Home / 93,188.21-128,605.13-70,176.83

Finding the Fourth Proportional to 93,188.21, 128,605.13 and 70,176.83

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Solution

The fourth proportional to 93,188.21, 128,605.13 and 70,176.83 is: 96,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,188.21 : 128,605.13 = 70,176.83 : x
  2. Step 2: Convert to fraction form
    93,188.21/128,605.13 = 70,176.83/x
  3. Step 3: Cross multiply
    93,188.21x = 128,605.13 × 70,176.83
  4. Step 4: Simplify right side
    93,188.21x = 9,025,100,345.14
  5. Step 5: Solve for x
    x = 9,025,100,345.14/93,188.21
  6. Step 6: Final answer
    x = 96,848.09

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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.