Home / 158,526.14-218,760.26-86,904.59

Finding the Fourth Proportional to 158,526.14, 218,760.26 and 86,904.59

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Solution

The fourth proportional to 158,526.14, 218,760.26 and 86,904.59 is: 119,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,526.14 : 218,760.26 = 86,904.59 : x
  2. Step 2: Convert to fraction form
    158,526.14/218,760.26 = 86,904.59/x
  3. Step 3: Cross multiply
    158,526.14x = 218,760.26 × 86,904.59
  4. Step 4: Simplify right side
    158,526.14x = 19,011,269,175.27
  5. Step 5: Solve for x
    x = 19,011,269,175.27/158,526.14
  6. Step 6: Final answer
    x = 119,925.14

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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.