Home / 111,295.02-153,640.36-63,539.16

Finding the Fourth Proportional to 111,295.02, 153,640.36 and 63,539.16

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Solution

The fourth proportional to 111,295.02, 153,640.36 and 63,539.16 is: 87,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,295.02 : 153,640.36 = 63,539.16 : x
  2. Step 2: Convert to fraction form
    111,295.02/153,640.36 = 63,539.16/x
  3. Step 3: Cross multiply
    111,295.02x = 153,640.36 × 63,539.16
  4. Step 4: Simplify right side
    111,295.02x = 9,762,179,416.50
  5. Step 5: Solve for x
    x = 9,762,179,416.50/111,295.02
  6. Step 6: Final answer
    x = 87,714.43

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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.