Home / 126,483.81-174,548.11-69,123.16

Finding the Fourth Proportional to 126,483.81, 174,548.11 and 69,123.16

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Solution

The fourth proportional to 126,483.81, 174,548.11 and 69,123.16 is: 95,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,483.81 : 174,548.11 = 69,123.16 : x
  2. Step 2: Convert to fraction form
    126,483.81/174,548.11 = 69,123.16/x
  3. Step 3: Cross multiply
    126,483.81x = 174,548.11 × 69,123.16
  4. Step 4: Simplify right side
    126,483.81x = 12,065,316,128.38
  5. Step 5: Solve for x
    x = 12,065,316,128.38/126,483.81
  6. Step 6: Final answer
    x = 95,390.20

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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.