Home / 193,430.76-266,866.02-126,401.64

Finding the Fourth Proportional to 193,430.76, 266,866.02 and 126,401.64

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Solution

The fourth proportional to 193,430.76, 266,866.02 and 126,401.64 is: 174,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,430.76 : 266,866.02 = 126,401.64 : x
  2. Step 2: Convert to fraction form
    193,430.76/266,866.02 = 126,401.64/x
  3. Step 3: Cross multiply
    193,430.76x = 266,866.02 × 126,401.64
  4. Step 4: Simplify right side
    193,430.76x = 33,732,302,588.27
  5. Step 5: Solve for x
    x = 33,732,302,588.27/193,430.76
  6. Step 6: Final answer
    x = 174,389.55

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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.