Home / 146,776.47-202,552.34-86,349.39

Finding the Fourth Proportional to 146,776.47, 202,552.34 and 86,349.39

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Solution

The fourth proportional to 146,776.47, 202,552.34 and 86,349.39 is: 119,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,776.47 : 202,552.34 = 86,349.39 : x
  2. Step 2: Convert to fraction form
    146,776.47/202,552.34 = 86,349.39/x
  3. Step 3: Cross multiply
    146,776.47x = 202,552.34 × 86,349.39
  4. Step 4: Simplify right side
    146,776.47x = 17,490,271,002.07
  5. Step 5: Solve for x
    x = 17,490,271,002.07/146,776.47
  6. Step 6: Final answer
    x = 119,162.64

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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.