Home / 106,535.40-147,026.04-61,228.20

Finding the Fourth Proportional to 106,535.40, 147,026.04 and 61,228.20

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Solution

The fourth proportional to 106,535.40, 147,026.04 and 61,228.20 is: 84,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,535.40 : 147,026.04 = 61,228.20 : x
  2. Step 2: Convert to fraction form
    106,535.40/147,026.04 = 61,228.20/x
  3. Step 3: Cross multiply
    106,535.40x = 147,026.04 × 61,228.20
  4. Step 4: Simplify right side
    106,535.40x = 9,002,139,782.33
  5. Step 5: Solve for x
    x = 9,002,139,782.33/106,535.40
  6. Step 6: Final answer
    x = 84,499.05

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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.