Home / 158,341.37-218,502.92-86,707.55

Finding the Fourth Proportional to 158,341.37, 218,502.92 and 86,707.55

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Solution

The fourth proportional to 158,341.37, 218,502.92 and 86,707.55 is: 119,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,341.37 : 218,502.92 = 86,707.55 : x
  2. Step 2: Convert to fraction form
    158,341.37/218,502.92 = 86,707.55/x
  3. Step 3: Cross multiply
    158,341.37x = 218,502.92 × 86,707.55
  4. Step 4: Simplify right side
    158,341.37x = 18,945,851,907.26
  5. Step 5: Solve for x
    x = 18,945,851,907.26/158,341.37
  6. Step 6: Final answer
    x = 119,651.94

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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.