Home / 187,004.81-257,935.65-126,548.84

Finding the Fourth Proportional to 187,004.81, 257,935.65 and 126,548.84

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Solution

The fourth proportional to 187,004.81, 257,935.65 and 126,548.84 is: 174,548.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,004.81 : 257,935.65 = 126,548.84 : x
  2. Step 2: Convert to fraction form
    187,004.81/257,935.65 = 126,548.84/x
  3. Step 3: Cross multiply
    187,004.81x = 257,935.65 × 126,548.84
  4. Step 4: Simplify right side
    187,004.81x = 32,641,457,302.15
  5. Step 5: Solve for x
    x = 32,641,457,302.15/187,004.81
  6. Step 6: Final answer
    x = 174,548.76

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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.