Home / 110,384.04-152,333.22-78,176.28

Finding the Fourth Proportional to 110,384.04, 152,333.22 and 78,176.28

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Solution

The fourth proportional to 110,384.04, 152,333.22 and 78,176.28 is: 107,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,384.04 : 152,333.22 = 78,176.28 : x
  2. Step 2: Convert to fraction form
    110,384.04/152,333.22 = 78,176.28/x
  3. Step 3: Cross multiply
    110,384.04x = 152,333.22 × 78,176.28
  4. Step 4: Simplify right side
    110,384.04x = 11,908,844,460.02
  5. Step 5: Solve for x
    x = 11,908,844,460.02/110,384.04
  6. Step 6: Final answer
    x = 107,885.56

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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.