Home / 186,542.08-257,502.72-111,076

Finding the Fourth Proportional to 186,542.08, 257,502.72 and 111,076

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Solution

The fourth proportional to 186,542.08, 257,502.72 and 111,076 is: 153,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,542.08 : 257,502.72 = 111,076 : x
  2. Step 2: Convert to fraction form
    186,542.08/257,502.72 = 111,076/x
  3. Step 3: Cross multiply
    186,542.08x = 257,502.72 × 111,076
  4. Step 4: Simplify right side
    186,542.08x = 28,602,372,126.72
  5. Step 5: Solve for x
    x = 28,602,372,126.72/186,542.08
  6. Step 6: Final answer
    x = 153,329.33

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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.