Home / 110,235.29-152,120.28-64,915.18

Finding the Fourth Proportional to 110,235.29, 152,120.28 and 64,915.18

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Solution

The fourth proportional to 110,235.29, 152,120.28 and 64,915.18 is: 89,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,235.29 : 152,120.28 = 64,915.18 : x
  2. Step 2: Convert to fraction form
    110,235.29/152,120.28 = 64,915.18/x
  3. Step 3: Cross multiply
    110,235.29x = 152,120.28 × 64,915.18
  4. Step 4: Simplify right side
    110,235.29x = 9,874,914,977.55
  5. Step 5: Solve for x
    x = 9,874,914,977.55/110,235.29
  6. Step 6: Final answer
    x = 89,580.35

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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.