Home / 158,185.45-218,291.91-93,655.52

Finding the Fourth Proportional to 158,185.45, 218,291.91 and 93,655.52

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Solution

The fourth proportional to 158,185.45, 218,291.91 and 93,655.52 is: 129,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,185.45 : 218,291.91 = 93,655.52 : x
  2. Step 2: Convert to fraction form
    158,185.45/218,291.91 = 93,655.52/x
  3. Step 3: Cross multiply
    158,185.45x = 218,291.91 × 93,655.52
  4. Step 4: Simplify right side
    158,185.45x = 20,444,241,718.77
  5. Step 5: Solve for x
    x = 20,444,241,718.77/158,185.45
  6. Step 6: Final answer
    x = 129,242.24

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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.