Home / 158,148.22-218,242.60-86,527.21

Finding the Fourth Proportional to 158,148.22, 218,242.60 and 86,527.21

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Solution

The fourth proportional to 158,148.22, 218,242.60 and 86,527.21 is: 119,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,148.22 : 218,242.60 = 86,527.21 : x
  2. Step 2: Convert to fraction form
    158,148.22/218,242.60 = 86,527.21/x
  3. Step 3: Cross multiply
    158,148.22x = 218,242.60 × 86,527.21
  4. Step 4: Simplify right side
    158,148.22x = 18,883,923,281.15
  5. Step 5: Solve for x
    x = 18,883,923,281.15/158,148.22
  6. Step 6: Final answer
    x = 119,406.49

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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.