Home / 133,370.16-183,904.20-85,605.36

Finding the Fourth Proportional to 133,370.16, 183,904.20 and 85,605.36

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Solution

The fourth proportional to 133,370.16, 183,904.20 and 85,605.36 is: 118,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,370.16 : 183,904.20 = 85,605.36 : x
  2. Step 2: Convert to fraction form
    133,370.16/183,904.20 = 85,605.36/x
  3. Step 3: Cross multiply
    133,370.16x = 183,904.20 × 85,605.36
  4. Step 4: Simplify right side
    133,370.16x = 15,743,185,246.51
  5. Step 5: Solve for x
    x = 15,743,185,246.51/133,370.16
  6. Step 6: Final answer
    x = 118,041.29

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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.