Home / 158,352.88-218,527.06-86,737.46

Finding the Fourth Proportional to 158,352.88, 218,527.06 and 86,737.46

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Solution

The fourth proportional to 158,352.88, 218,527.06 and 86,737.46 is: 119,697.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,352.88 : 218,527.06 = 86,737.46 : x
  2. Step 2: Convert to fraction form
    158,352.88/218,527.06 = 86,737.46/x
  3. Step 3: Cross multiply
    158,352.88x = 218,527.06 × 86,737.46
  4. Step 4: Simplify right side
    158,352.88x = 18,954,482,125.67
  5. Step 5: Solve for x
    x = 18,954,482,125.67/158,352.88
  6. Step 6: Final answer
    x = 119,697.74

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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.