Home / 109,905.80-164,955.90-94,159.40

Finding the Fourth Proportional to 109,905.80, 164,955.90 and 94,159.40

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Solution

The fourth proportional to 109,905.80, 164,955.90 and 94,159.40 is: 141,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.80 : 164,955.90 = 94,159.40 : x
  2. Step 2: Convert to fraction form
    109,905.80/164,955.90 = 94,159.40/x
  3. Step 3: Cross multiply
    109,905.80x = 164,955.90 × 94,159.40
  4. Step 4: Simplify right side
    109,905.80x = 15,532,148,570.46
  5. Step 5: Solve for x
    x = 15,532,148,570.46/109,905.80
  6. Step 6: Final answer
    x = 141,322.37

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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.