Home / 146,518.29-202,235.10-86,108.40

Finding the Fourth Proportional to 146,518.29, 202,235.10 and 86,108.40

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Solution

The fourth proportional to 146,518.29, 202,235.10 and 86,108.40 is: 118,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,518.29 : 202,235.10 = 86,108.40 : x
  2. Step 2: Convert to fraction form
    146,518.29/202,235.10 = 86,108.40/x
  3. Step 3: Cross multiply
    146,518.29x = 202,235.10 × 86,108.40
  4. Step 4: Simplify right side
    146,518.29x = 17,414,140,884.84
  5. Step 5: Solve for x
    x = 17,414,140,884.84/146,518.29
  6. Step 6: Final answer
    x = 118,853.02

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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.