Home / 99,317.12-136,946.30-93,018.56

Finding the Fourth Proportional to 99,317.12, 136,946.30 and 93,018.56

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Solution

The fourth proportional to 99,317.12, 136,946.30 and 93,018.56 is: 128,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,317.12 : 136,946.30 = 93,018.56 : x
  2. Step 2: Convert to fraction form
    99,317.12/136,946.30 = 93,018.56/x
  3. Step 3: Cross multiply
    99,317.12x = 136,946.30 × 93,018.56
  4. Step 4: Simplify right side
    99,317.12x = 12,738,546,473.50
  5. Step 5: Solve for x
    x = 12,738,546,473.50/99,317.12
  6. Step 6: Final answer
    x = 128,261.34

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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.