Home / 158,145.60-218,244.08-86,527.16

Finding the Fourth Proportional to 158,145.60, 218,244.08 and 86,527.16

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Solution

The fourth proportional to 158,145.60, 218,244.08 and 86,527.16 is: 119,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,145.60 : 218,244.08 = 86,527.16 : x
  2. Step 2: Convert to fraction form
    158,145.60/218,244.08 = 86,527.16/x
  3. Step 3: Cross multiply
    158,145.60x = 218,244.08 × 86,527.16
  4. Step 4: Simplify right side
    158,145.60x = 18,884,040,429.21
  5. Step 5: Solve for x
    x = 18,884,040,429.21/158,145.60
  6. Step 6: Final answer
    x = 119,409.21

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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.