Home / 150,963.06-208,324.52-86,430.16

Finding the Fourth Proportional to 150,963.06, 208,324.52 and 86,430.16

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Solution

The fourth proportional to 150,963.06, 208,324.52 and 86,430.16 is: 119,271.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,963.06 : 208,324.52 = 86,430.16 : x
  2. Step 2: Convert to fraction form
    150,963.06/208,324.52 = 86,430.16/x
  3. Step 3: Cross multiply
    150,963.06x = 208,324.52 × 86,430.16
  4. Step 4: Simplify right side
    150,963.06x = 18,005,520,553.90
  5. Step 5: Solve for x
    x = 18,005,520,553.90/150,963.06
  6. Step 6: Final answer
    x = 119,271.04

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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.