Home / 110,900.52-153,025.02-63,154.80

Finding the Fourth Proportional to 110,900.52, 153,025.02 and 63,154.80

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Solution

The fourth proportional to 110,900.52, 153,025.02 and 63,154.80 is: 87,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,900.52 : 153,025.02 = 63,154.80 : x
  2. Step 2: Convert to fraction form
    110,900.52/153,025.02 = 63,154.80/x
  3. Step 3: Cross multiply
    110,900.52x = 153,025.02 × 63,154.80
  4. Step 4: Simplify right side
    110,900.52x = 9,664,264,533.10
  5. Step 5: Solve for x
    x = 9,664,264,533.10/110,900.52
  6. Step 6: Final answer
    x = 87,143.55

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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.