Home / 110,278.10-165,417.15-70,912.10

Finding the Fourth Proportional to 110,278.10, 165,417.15 and 70,912.10

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Solution

The fourth proportional to 110,278.10, 165,417.15 and 70,912.10 is: 106,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,278.10 : 165,417.15 = 70,912.10 : x
  2. Step 2: Convert to fraction form
    110,278.10/165,417.15 = 70,912.10/x
  3. Step 3: Cross multiply
    110,278.10x = 165,417.15 × 70,912.10
  4. Step 4: Simplify right side
    110,278.10x = 11,730,077,482.52
  5. Step 5: Solve for x
    x = 11,730,077,482.52/110,278.10
  6. Step 6: Final answer
    x = 106,368.15

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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.