Home / 181,267.29-250,148.73-100,702.35

Finding the Fourth Proportional to 181,267.29, 250,148.73 and 100,702.35

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Solution

The fourth proportional to 181,267.29, 250,148.73 and 100,702.35 is: 138,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,267.29 : 250,148.73 = 100,702.35 : x
  2. Step 2: Convert to fraction form
    181,267.29/250,148.73 = 100,702.35/x
  3. Step 3: Cross multiply
    181,267.29x = 250,148.73 × 100,702.35
  4. Step 4: Simplify right side
    181,267.29x = 25,190,564,960.52
  5. Step 5: Solve for x
    x = 25,190,564,960.52/181,267.29
  6. Step 6: Final answer
    x = 138,969.17

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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.