Home / 109,570.10-164,355.15-70,204.10

Finding the Fourth Proportional to 109,570.10, 164,355.15 and 70,204.10

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Solution

The fourth proportional to 109,570.10, 164,355.15 and 70,204.10 is: 105,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,570.10 : 164,355.15 = 70,204.10 : x
  2. Step 2: Convert to fraction form
    109,570.10/164,355.15 = 70,204.10/x
  3. Step 3: Cross multiply
    109,570.10x = 164,355.15 × 70,204.10
  4. Step 4: Simplify right side
    109,570.10x = 11,538,405,386.12
  5. Step 5: Solve for x
    x = 11,538,405,386.12/109,570.10
  6. Step 6: Final answer
    x = 105,306.15

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1.5x scale

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.