Home / 145,488.18-200,708.37-88,888.98

Finding the Fourth Proportional to 145,488.18, 200,708.37 and 88,888.98

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Solution

The fourth proportional to 145,488.18, 200,708.37 and 88,888.98 is: 122,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,488.18 : 200,708.37 = 88,888.98 : x
  2. Step 2: Convert to fraction form
    145,488.18/200,708.37 = 88,888.98/x
  3. Step 3: Cross multiply
    145,488.18x = 200,708.37 × 88,888.98
  4. Step 4: Simplify right side
    145,488.18x = 17,840,762,286.76
  5. Step 5: Solve for x
    x = 17,840,762,286.76/145,488.18
  6. Step 6: Final answer
    x = 122,626.88

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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.