Home / 110,235.85-152,121.06-64,915.74

Finding the Fourth Proportional to 110,235.85, 152,121.06 and 64,915.74

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Solution

The fourth proportional to 110,235.85, 152,121.06 and 64,915.74 is: 89,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,235.85 : 152,121.06 = 64,915.74 : x
  2. Step 2: Convert to fraction form
    110,235.85/152,121.06 = 64,915.74/x
  3. Step 3: Cross multiply
    110,235.85x = 152,121.06 × 64,915.74
  4. Step 4: Simplify right side
    110,235.85x = 9,875,051,179.48
  5. Step 5: Solve for x
    x = 9,875,051,179.48/110,235.85
  6. Step 6: Final answer
    x = 89,581.12

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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.