Home / 99,302.40-148,953.60-92,012.40

Finding the Fourth Proportional to 99,302.40, 148,953.60 and 92,012.40

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Solution

The fourth proportional to 99,302.40, 148,953.60 and 92,012.40 is: 138,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,302.40 : 148,953.60 = 92,012.40 : x
  2. Step 2: Convert to fraction form
    99,302.40/148,953.60 = 92,012.40/x
  3. Step 3: Cross multiply
    99,302.40x = 148,953.60 × 92,012.40
  4. Step 4: Simplify right side
    99,302.40x = 13,705,578,224.64
  5. Step 5: Solve for x
    x = 13,705,578,224.64/99,302.40
  6. Step 6: Final answer
    x = 138,018.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.