Home / 113,386.40-169,885.20-73,923.20

Finding the Fourth Proportional to 113,386.40, 169,885.20 and 73,923.20

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Solution

The fourth proportional to 113,386.40, 169,885.20 and 73,923.20 is: 110,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,386.40 : 169,885.20 = 73,923.20 : x
  2. Step 2: Convert to fraction form
    113,386.40/169,885.20 = 73,923.20/x
  3. Step 3: Cross multiply
    113,386.40x = 169,885.20 × 73,923.20
  4. Step 4: Simplify right side
    113,386.40x = 12,558,457,616.64
  5. Step 5: Solve for x
    x = 12,558,457,616.64/113,386.40
  6. Step 6: Final answer
    x = 110,758.06

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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.