Home / 146,774.91-202,549.36-83,112.69

Finding the Fourth Proportional to 146,774.91, 202,549.36 and 83,112.69

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Solution

The fourth proportional to 146,774.91, 202,549.36 and 83,112.69 is: 114,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774.91 : 202,549.36 = 83,112.69 : x
  2. Step 2: Convert to fraction form
    146,774.91/202,549.36 = 83,112.69/x
  3. Step 3: Cross multiply
    146,774.91x = 202,549.36 × 83,112.69
  4. Step 4: Simplify right side
    146,774.91x = 16,834,421,751.82
  5. Step 5: Solve for x
    x = 16,834,421,751.82/146,774.91
  6. Step 6: Final answer
    x = 114,695.50

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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.