Home / 190,935.75-286,331.63-153,403.59

Finding the Fourth Proportional to 190,935.75, 286,331.63 and 153,403.59

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Solution

The fourth proportional to 190,935.75, 286,331.63 and 153,403.59 is: 230,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,935.75 : 286,331.63 = 153,403.59 : x
  2. Step 2: Convert to fraction form
    190,935.75/286,331.63 = 153,403.59/x
  3. Step 3: Cross multiply
    190,935.75x = 286,331.63 × 153,403.59
  4. Step 4: Simplify right side
    190,935.75x = 43,924,299,205.53
  5. Step 5: Solve for x
    x = 43,924,299,205.53/190,935.75
  6. Step 6: Final answer
    x = 230,047.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.