Home / 109,934.30-164,901.45-103,810.70

Finding the Fourth Proportional to 109,934.30, 164,901.45 and 103,810.70

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Solution

The fourth proportional to 109,934.30, 164,901.45 and 103,810.70 is: 155,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,934.30 : 164,901.45 = 103,810.70 : x
  2. Step 2: Convert to fraction form
    109,934.30/164,901.45 = 103,810.70/x
  3. Step 3: Cross multiply
    109,934.30x = 164,901.45 × 103,810.70
  4. Step 4: Simplify right side
    109,934.30x = 17,118,534,955.52
  5. Step 5: Solve for x
    x = 17,118,534,955.52/109,934.30
  6. Step 6: Final answer
    x = 155,716.05

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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.