Home / 105,165.40-157,440.90-94,106.20

Finding the Fourth Proportional to 105,165.40, 157,440.90 and 94,106.20

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Solution

The fourth proportional to 105,165.40, 157,440.90 and 94,106.20 is: 140,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,165.40 : 157,440.90 = 94,106.20 : x
  2. Step 2: Convert to fraction form
    105,165.40/157,440.90 = 94,106.20/x
  3. Step 3: Cross multiply
    105,165.40x = 157,440.90 × 94,106.20
  4. Step 4: Simplify right side
    105,165.40x = 14,816,164,823.58
  5. Step 5: Solve for x
    x = 14,816,164,823.58/105,165.40
  6. Step 6: Final answer
    x = 140,884.41

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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.